[PATCH net-next 05/10] net: wan: move out assignment in if condition
From: Guangbin Huang <hidden>
Date: 2021-05-26 11:48:53
Also in:
lkml
Subsystem:
generic hdlc (wan) drivers, networking drivers, the rest · Maintainers:
Krzysztof Halasa, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Peng Li <redacted> Should not use assignment in if condition. Signed-off-by: Peng Li <redacted> Signed-off-by: Guangbin Huang <redacted> --- drivers/net/wan/hdlc_fr.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 512ef79459da..a39e5082c20f 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c@@ -937,7 +937,8 @@ static int fr_rx(struct sk_buff *skb) pvc->state.becn ^= 1; } - if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) { + skb = skb_share_check(skb, GFP_ATOMIC); + if (!skb) { frad->stats.rx_dropped++; return NET_RX_DROP; }
@@ -1064,7 +1065,8 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) struct net_device *dev; int used; - if ((pvc = add_pvc(frad, dlci)) == NULL) { + pvc = add_pvc(frad, dlci); + if (!pvc) { netdev_warn(frad, "Memory squeeze on fr_add_pvc()\n"); return -ENOBUFS; }
@@ -1121,10 +1123,12 @@ static int fr_del_pvc(hdlc_device *hdlc, unsigned int dlci, int type) struct pvc_device *pvc; struct net_device *dev; - if ((pvc = find_pvc(hdlc, dlci)) == NULL) + pvc = find_pvc(hdlc, dlci); + if (!pvc) return -ENOENT; - if ((dev = *get_dev_p(pvc, type)) == NULL) + dev = *get_dev_p(pvc, type); + if (!dev) return -ENOENT; if (dev->flags & IFF_UP)
--
2.8.1