[PATCH 0/8] net: fix old-style declarations

"make W=1" enables -Wold-style-declaration, which is generally useful
to warn about pre-C89 code in the kernel, but it also warns about
some harmless variations (sometimes many of them from a single
file).

This fixes up the 8 instances I found in the networking code, there
is another series of 12 patches for the rest of the kernel.

Arnd Bergmann (8):
  wireless: airo: rename 'register' variable
  wireless: brcmsmac: fix old-style declaration
  wireless: ipw2200: fix old-style declaration
  hamradio: baycom: fix old-style declaration
  isdn: eicon: fix old-style declarations
  net: gianfar: fix old-style declaration
  net: xfrm: fix old-style declaration
  sunrpc: fix old-style declaration

 drivers/isdn/hardware/eicon/divasmain.c                 | 12 ++++++------
 drivers/isdn/hardware/eicon/platform.h                  |  6 +++---
 drivers/net/ethernet/freescale/gianfar.c                |  2 +-
 drivers/net/hamradio/baycom_par.c                       |  6 +++---
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c |  4 ++--
 drivers/net/wireless/cisco/airo.c                       |  4 ++--
 drivers/net/wireless/intel/ipw2x00/ipw2200.c            |  2 +-
 net/ipv4/xfrm4_policy.c                                 |  8 ++++----
 net/ipv6/xfrm6_policy.c                                 |  4 ++--
 net/sunrpc/clnt.c                                       |  2 +-
 10 files changed, 25 insertions(+), 25 deletions(-)

-- 
2.9.0

Cc: Armin Schindler <redacted>
Cc: Karsten Keil <redacted>
Cc: Claudiu Manoil <redacted>
Cc: Thomas Sailer <redacted>
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Trond Myklebust <redacted>
Cc: Anna Schumaker <redacted>
Cc: "J. Bruce Fields" <redacted>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-hams@vger.kernel.org
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list@broadcom.com
Cc: linux-nfs@vger.kernel.org

'register' is a keyword in C and cannot be used in place of a
variable name, as shown by this -Wextra warning:

drivers/net/wireless/cisco/airo.c:1105:29: error: 'register' is not at beginning of declaration [-Werror=old-style-declaration]

This replaces the 'register' keyword with a 'reg' identifier in
the declaration, which matches the definition and has the intended
meaning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/wireless/cisco/airo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c
index b6c9d5feef1f..6bdb6f6bdfe8 100644
--- a/drivers/net/wireless/cisco/airo.c
+++ b/drivers/net/wireless/cisco/airo.c

@@ -1102,8 +1102,8 @@ static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)";
 struct airo_info;
 
 static int get_dec_u16( char *buffer, int *start, int limit );
-static void OUT4500( struct airo_info *, u16 register, u16 value );
-static unsigned short IN4500( struct airo_info *, u16 register );
+static void OUT4500( struct airo_info *, u16 reg, u16 value );
+static unsigned short IN4500( struct airo_info *, u16 reg );
 static u16 setup_card(struct airo_info*, u8 *mac, int lock);
 static int enable_MAC(struct airo_info *ai, int lock);
 static void disable_MAC(struct airo_info *ai, int lock);

-- 
2.9.0

Modern C standards expect the 'static' keyword to come first in a
declaration, and we get a warning for this with "make W=1":

drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c:3353:1: error: 'static' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
index e16ee60639f5..c2a938b59044 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c

@@ -3349,8 +3349,8 @@ static void brcms_b_coreinit(struct brcms_c_info *wlc)
 	dma_rxfill(wlc_hw->di[RX_FIFO]);
 }
 
-void
-static brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec) {
+static void brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec)
+{
 	u32 macintmask;
 	bool fastclk;
 	struct brcms_c_info *wlc = wlc_hw->wlc;

-- 
2.9.0

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

drivers/net/hamradio/baycom_par.c:159:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]

For consistency with other drivers, I'm changing '__inline__' to 'inline'
at the same time.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/hamradio/baycom_par.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/hamradio/baycom_par.c b/drivers/net/hamradio/baycom_par.c
index acb636963e90..072cddce9264 100644
--- a/drivers/net/hamradio/baycom_par.c
+++ b/drivers/net/hamradio/baycom_par.c

@@ -156,7 +156,7 @@ struct baycom_state {
 
 /* --------------------------------------------------------------------- */
 
-static void __inline__ baycom_int_freq(struct baycom_state *bc)
+static inline void baycom_int_freq(struct baycom_state *bc)
 {
 #ifdef BAYCOM_DEBUG
 	unsigned long cur_jiffies = jiffies;

@@ -192,7 +192,7 @@ static void __inline__ baycom_int_freq(struct baycom_state *bc)
 
 /* --------------------------------------------------------------------- */
 
-static __inline__ void par96_tx(struct net_device *dev, struct baycom_state *bc)
+static inline void par96_tx(struct net_device *dev, struct baycom_state *bc)
 {
 	int i;
 	unsigned int data = hdlcdrv_getbits(&bc->hdrv);

@@ -216,7 +216,7 @@ static __inline__ void par96_tx(struct net_device *dev, struct baycom_state *bc)
 
 /* --------------------------------------------------------------------- */
 
-static __inline__ void par96_rx(struct net_device *dev, struct baycom_state *bc)
+static inline void par96_rx(struct net_device *dev, struct baycom_state *bc)
 {
 	int i;
 	unsigned int data, mask, mask2, descx;

-- 
2.9.0

Modern C standards expect the 'inline' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

drivers/net/wireless/intel/ipw2x00/ipw2200.c:4096:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/wireless/intel/ipw2x00/ipw2200.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
index 5adb7cefb2fe..bfd68612a535 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c

@@ -4093,7 +4093,7 @@ static const char *ipw_get_status_code(u16 status)
 	return "Unknown status value.";
 }
 
-static void inline average_init(struct average *avg)
+static inline void average_init(struct average *avg)
 {
 	memset(avg, 0, sizeof(*avg));
 }

-- 
2.9.0

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get many warnings for this with "make W=1"
because the eicon driver has this in a header file:

eicon/divasmain.c:448:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:453:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:458:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:463:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:468:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:473:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/platform.h:274:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/platform.h:280:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]

A similar warning gets printed for the diva_os_register_io_port()
declaration, because 'register' is interpreted as a keyword instead
of a variable name:

In file included from eicon/diva_didd.c:21:0:
eicon/platform.h:206:1: error: 'register' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/isdn/hardware/eicon/divasmain.c | 12 ++++++------
 drivers/isdn/hardware/eicon/platform.h  |  6 +++---
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index a2e0ed6c9a4d..32f34511c416 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c

@@ -445,32 +445,32 @@ void divasa_unmap_pci_bar(void __iomem *bar)
 /*********************************************************
  ** I/O port access
  *********************************************************/
-byte __inline__ inpp(void __iomem *addr)
+inline byte inpp(void __iomem *addr)
 {
 	return (inb((unsigned long) addr));
 }
 
-word __inline__ inppw(void __iomem *addr)
+inline word inppw(void __iomem *addr)
 {
 	return (inw((unsigned long) addr));
 }
 
-void __inline__ inppw_buffer(void __iomem *addr, void *P, int length)
+inline void inppw_buffer(void __iomem *addr, void *P, int length)
 {
 	insw((unsigned long) addr, (word *) P, length >> 1);
 }
 
-void __inline__ outppw_buffer(void __iomem *addr, void *P, int length)
+inline void outppw_buffer(void __iomem *addr, void *P, int length)
 {
 	outsw((unsigned long) addr, (word *) P, length >> 1);
 }
 
-void __inline__ outppw(void __iomem *addr, word w)
+inline void outppw(void __iomem *addr, word w)
 {
 	outw(w, (unsigned long) addr);
 }
 
-void __inline__ outpp(void __iomem *addr, word p)
+inline void outpp(void __iomem *addr, word p)
 {
 	outb(p, (unsigned long) addr);
 }

diff --git a/drivers/isdn/hardware/eicon/platform.h b/drivers/isdn/hardware/eicon/platform.h
index b2edb7590dda..62e2073c3690 100644
--- a/drivers/isdn/hardware/eicon/platform.h
+++ b/drivers/isdn/hardware/eicon/platform.h

@@ -203,7 +203,7 @@ void PCIread(byte bus, byte func, int offset, void *data, int length, void *pci_
 /*
 **  I/O Port utilities
 */
-int diva_os_register_io_port(void *adapter, int register, unsigned long port,
+int diva_os_register_io_port(void *adapter, int reg, unsigned long port,
 			     unsigned long length, const char *name, int id);
 /*
 **  I/O port access abstraction

@@ -271,13 +271,13 @@ void diva_os_get_time(dword *sec, dword *usec);
 **  atomic operation, fake because we use threads
 */
 typedef int diva_os_atomic_t;
-static diva_os_atomic_t __inline__
+static inline diva_os_atomic_t
 diva_os_atomic_increment(diva_os_atomic_t *pv)
 {
 	*pv += 1;
 	return (*pv);
 }
-static diva_os_atomic_t __inline__
+static inline diva_os_atomic_t
 diva_os_atomic_decrement(diva_os_atomic_t *pv)
 {
 	*pv -= 1;

-- 
2.9.0

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

drivers/net/ethernet/freescale/gianfar.c:2278:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/ethernet/freescale/gianfar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 2e6785b6e8be..d20935dc8399 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c

@@ -2275,7 +2275,7 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,
 	fcb->flags = flags;
 }
 
-void inline gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb)
+static inline void gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb)
 {
 	fcb->flags |= TXFCB_VLN;
 	fcb->vlctl = cpu_to_be16(skb_vlan_tag_get(skb));

-- 
2.9.0

Modern C standards expect the 'static' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

net/sunrpc/clnt.c:2580:1: error: 'static' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 net/sunrpc/clnt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 2808d550d273..cb49898a5a58 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c

@@ -2577,7 +2577,7 @@ static void rpc_cb_add_xprt_release(void *calldata)
 	kfree(data);
 }
 
-const static struct rpc_call_ops rpc_cb_add_xprt_call_ops = {
+static const struct rpc_call_ops rpc_cb_add_xprt_call_ops = {
 	.rpc_call_done = rpc_cb_add_xprt_done,
 	.rpc_release = rpc_cb_add_xprt_release,
 };

-- 
2.9.0

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a couple of warnings for this with "make W=1"
in the xfrm{4,6}_policy.c files:

net/ipv6/xfrm6_policy.c:369:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static int inline xfrm6_net_sysctl_init(struct net *net)
net/ipv6/xfrm6_policy.c:374:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static void inline xfrm6_net_sysctl_exit(struct net *net)
net/ipv4/xfrm4_policy.c:339:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static int inline xfrm4_net_sysctl_init(struct net *net)
net/ipv4/xfrm4_policy.c:344:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static void inline xfrm4_net_sysctl_exit(struct net *net)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 net/ipv4/xfrm4_policy.c | 8 ++++----
 net/ipv6/xfrm6_policy.c | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 7b0edb37a115..b644a23c3db0 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c

@@ -295,7 +295,7 @@ static struct ctl_table xfrm4_policy_table[] = {
 	{ }
 };
 
-static int __net_init xfrm4_net_sysctl_init(struct net *net)
+static __net_init int xfrm4_net_sysctl_init(struct net *net)
 {
 	struct ctl_table *table;
 	struct ctl_table_header *hdr;

@@ -323,7 +323,7 @@ err_alloc:
 	return -ENOMEM;
 }
 
-static void __net_exit xfrm4_net_sysctl_exit(struct net *net)
+static __net_exit void xfrm4_net_sysctl_exit(struct net *net)
 {
 	struct ctl_table *table;
 

@@ -336,12 +336,12 @@ static void __net_exit xfrm4_net_sysctl_exit(struct net *net)
 		kfree(table);
 }
 #else /* CONFIG_SYSCTL */
-static int inline xfrm4_net_sysctl_init(struct net *net)
+static inline int xfrm4_net_sysctl_init(struct net *net)
 {
 	return 0;
 }
 
-static void inline xfrm4_net_sysctl_exit(struct net *net)
+static inline void xfrm4_net_sysctl_exit(struct net *net)
 {
 }
 #endif

diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index c074771a10f7..6cc97003e4a9 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c

@@ -366,12 +366,12 @@ static void __net_exit xfrm6_net_sysctl_exit(struct net *net)
 		kfree(table);
 }
 #else /* CONFIG_SYSCTL */
-static int inline xfrm6_net_sysctl_init(struct net *net)
+static inline int xfrm6_net_sysctl_init(struct net *net)
 {
 	return 0;
 }
 
-static void inline xfrm6_net_sysctl_exit(struct net *net)
+static inline void xfrm6_net_sysctl_exit(struct net *net)
 {
 }
 #endif

-- 
2.9.0

Hello.

On 06/16/2016 04:52 PM, Arnd Bergmann wrote:

    You don't mention making it *static*. Though the function can be *static* 
indeed... the current policy also forbids *inline* in the *.c files, leaving 
the judgement to gcc.

MBR, Sergei

On Thu, 2016-06-16 at 21:02 +0300, Sergei Shtylyov wrote:

On 06/16/2016 04:52 PM, Arnd Bergmann wrote:

quoted

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

[]

quoted

diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c

[]

quoted

@@ -2275,7 +2275,7 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,

 	fcb->flags = flags;
 }

-void inline gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb)
+static inline void gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb)

    You don't mention making it *static*. Though the function can be *static* 
indeed... the current policy also forbids *inline* in the *.c files, leaving 
the judgement to gcc.

While mostly true, (__always_inline vs inline vs nothing),
there are many inline uses in this file that could be removed
in a separate patch rather than removing just this one.

From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 16 Jun 2016 15:52:12 +0200

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get many warnings for this with "make W=1"
because the eicon driver has this in a header file:

eicon/divasmain.c:448:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:453:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:458:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:463:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:468:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/divasmain.c:473:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/platform.h:274:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]
eicon/platform.h:280:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]

A similar warning gets printed for the diva_os_register_io_port()
declaration, because 'register' is interpreted as a keyword instead
of a variable name:

In file included from eicon/diva_didd.c:21:0:
eicon/platform.h:206:1: error: 'register' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.

From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 16 Jun 2016 15:52:13 +0200

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

drivers/net/ethernet/freescale/gianfar.c:2278:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.

From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 16 Jun 2016 15:52:11 +0200

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

drivers/net/hamradio/baycom_par.c:159:1: error: '__inline__' is not at beginning of declaration [-Werror=old-style-declaration]

For consistency with other drivers, I'm changing '__inline__' to 'inline'
at the same time.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.

From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 16 Jun 2016 15:59:25 +0200

Modern C standards expect the '__inline__' keyword to come before the return
type in a declaration, and we get a couple of warnings for this with "make W=1"
in the xfrm{4,6}_policy.c files:

net/ipv6/xfrm6_policy.c:369:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static int inline xfrm6_net_sysctl_init(struct net *net)
net/ipv6/xfrm6_policy.c:374:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static void inline xfrm6_net_sysctl_exit(struct net *net)
net/ipv4/xfrm4_policy.c:339:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static int inline xfrm4_net_sysctl_init(struct net *net)
net/ipv4/xfrm4_policy.c:344:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
 static void inline xfrm4_net_sysctl_exit(struct net *net)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.

On 16 June 2016 at 17:52, Arnd Bergmann [off-list ref] wrote:

Modern C standards expect the 'inline' keyword to come before the return
type in a declaration, and we get a warning for this with "make W=1":

drivers/net/wireless/intel/ipw2x00/ipw2200.c:4096:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/wireless/intel/ipw2x00/ipw2200.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>

Stanislav.

Arnd Bergmann [off-list ref] wrote:

'register' is a keyword in C and cannot be used in place of a
variable name, as shown by this -Wextra warning:

drivers/net/wireless/cisco/airo.c:1105:29: error: 'register' is not at beginning of declaration [-Werror=old-style-declaration]

This replaces the 'register' keyword with a 'reg' identifier in
the declaration, which matches the definition and has the intended
meaning.

Signed-off-by: Arnd Bergmann <redacted>

Thanks, 3 patches applied to wireless-drivers-next.git:

88e97c32068f wireless: airo: rename 'register' variable
2a063835ce7c wireless: brcmsmac: fix old-style declaration
6f07e0f12a57 wireless: ipw2200: fix old-style declaration

-- 
Sent by pwcli
https://patchwork.kernel.org/patch/9180951/

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