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authorYoann Padioleau <padator@wanadoo.fr>2007-07-19 01:49:03 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:50 -0700
commitdd00cc486ab1c17049a535413d1751ef3482141c (patch)
treed90ff69ea06792b9284f2f2665c96624f121b88a /drivers/net/hamradio
parent3b5ad0797c0e4049001f961a8b58f1d0ce532072 (diff)
downloadlinux-dd00cc486ab1c17049a535413d1751ef3482141c.tar.bz2
some kmalloc/memset ->kzalloc (tree wide)
Transform some calls to kmalloc/memset to a single kzalloc (or kcalloc). Here is a short excerpt of the semantic patch performing this transformation: @@ type T2; expression x; identifier f,fld; expression E; expression E1,E2; expression e1,e2,e3,y; statement S; @@ x = - kmalloc + kzalloc (E1,E2) ... when != \(x->fld=E;\|y=f(...,x,...);\|f(...,x,...);\|x=E;\|while(...) S\|for(e1;e2;e3) S\) - memset((T2)x,0,E1); @@ expression E1,E2,E3; @@ - kzalloc(E1 * E2,E3) + kcalloc(E1,E2,E3) [akpm@linux-foundation.org: get kcalloc args the right way around] Signed-off-by: Yoann Padioleau <padator@wanadoo.fr> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Acked-by: Russell King <rmk@arm.linux.org.uk> Cc: Bryan Wu <bryan.wu@analog.com> Acked-by: Jiri Slaby <jirislaby@gmail.com> Cc: Dave Airlie <airlied@linux.ie> Acked-by: Roland Dreier <rolandd@cisco.com> Cc: Jiri Kosina <jkosina@suse.cz> Acked-by: Dmitry Torokhov <dtor@mail.ru> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Acked-by: Pierre Ossman <drzeus-list@drzeus.cx> Cc: Jeff Garzik <jeff@garzik.org> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: Greg KH <greg@kroah.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/net/hamradio')
-rw-r--r--drivers/net/hamradio/dmascc.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 3be8c5047599..205f09672492 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -453,8 +453,8 @@ static int __init setup_adapter(int card_base, int type, int n)
int scc_base = card_base + hw[type].scc_offset;
char *chipnames[] = CHIPNAMES;
- /* Allocate memory */
- info = kmalloc(sizeof(struct scc_info), GFP_KERNEL | GFP_DMA);
+ /* Initialize what is necessary for write_scc and write_scc_data */
+ info = kzalloc(sizeof(struct scc_info), GFP_KERNEL | GFP_DMA);
if (!info) {
printk(KERN_ERR "dmascc: "
"could not allocate memory for %s at %#3x\n",
@@ -462,8 +462,6 @@ static int __init setup_adapter(int card_base, int type, int n)
goto out;
}
- /* Initialize what is necessary for write_scc and write_scc_data */
- memset(info, 0, sizeof(struct scc_info));
info->dev[0] = alloc_netdev(0, "", dev_setup);
if (!info->dev[0]) {