Thread (24 messages) flat view 24 messages, 13 authors, 2011-06-16

Re: [PATCH net-next 2/2] drivers/net: Remove casts of void *

From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2011-06-14 14:08:51
Also in: lkml

Hi Joe,

On Tue, Jun 14, 2011 at 16:00, Joe Perches [off-list ref] wrote:
quoted hunk ↗ jump to hunk
On Tue, 2011-06-14 at 11:21 +0200, Geert Uytterhoeven wrote:
quoted
On Tue, Jun 14, 2011 at 06:02, Joe Perches [off-list ref] wrote:
quoted
Unnecessary casts of void * clutter the code.
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -426,7 +426,7 @@ static irqreturn_t lance_interrupt (int irq, void *dev_id)
       volatile struct lance_regs *ll;
       int csr0;

-       dev = (struct net_device *) dev_id;
+       dev = dev_id;
I think it would look better if you merge this line with the line that
defines "dev".
I think so too, but I also think it should look like below
and that's something better done in a separate pass, don't
you think?
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index deaa8bc..25ea98a 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -421,16 +421,11 @@ static int lance_tx (struct net_device *dev)
 static irqreturn_t lance_interrupt (int irq, void *dev_id)
 {
-       struct net_device *dev;
-       struct lance_private *lp;
-       volatile struct lance_regs *ll;
+       struct net_device *dev = dev_id;
+       struct lance_private *lp = netdev_priv(dev);
+       volatile struct lance_regs *ll = lp->ll;
       int csr0;

-       dev = (struct net_device *) dev_id;
-
-       lp = netdev_priv(dev);
-       ll = lp->ll;
-
       ll->rap = LE_CSR0;              /* LANCE Controller Status */
       csr0 = ll->rdp;
Definitely better!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help