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some kmalloc/memset ->kzalloc (tree wide)

Browse source 
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)

[[email protected]: get kcalloc args the right way around]
Signed-off-by: Yoann Padioleau <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Acked-by: Russell King <[email protected]>
Cc: Bryan Wu <[email protected]>
Acked-by: Jiri Slaby <[email protected]>
Cc: Dave Airlie <[email protected]>
Acked-by: Roland Dreier <[email protected]>
Cc: Jiri Kosina <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Acked-by: Pierre Ossman <[email protected]>
Cc: Jeff Garzik <[email protected]>
Cc: "David S. Miller" <[email protected]>
Acked-by: Greg KH <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: "Antonino A. Daplas" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yoann Padioleau 2007-07-19 01:49:03 -07:00 • committed by Linus Torvalds
commit dd00cc486a
136 changed files with 157 additions and 330 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/sbus/char/bbc_i2c.c
View file

@ -156,10 +156,9 @@ struct bbc_i2c_client *bbc_i2c_attach(struct linux_ebus_child *echild)
if (!bp)
return NULL;
client = kmalloc(sizeof(*client), GFP_KERNEL);
client = kzalloc(sizeof(*client), GFP_KERNEL);
if (!client)
return NULL;
memset(client, 0, sizeof(*client));
client->bp = bp;
client->echild = echild;
client->bus = echild->resource[0].start;

5
drivers/sbus/char/vfc_dev.c
View file

@ -656,12 +656,9 @@ static int vfc_probe(void)
if (!cards)
return -ENODEV;
vfc_dev_lst = kmalloc(sizeof(struct vfc_dev *) *
(cards+1),
GFP_KERNEL);
vfc_dev_lst = kcalloc(cards + 1, sizeof(struct vfc_dev*), GFP_KERNEL);
if (vfc_dev_lst == NULL)
return -ENOMEM;
memset(vfc_dev_lst, 0, sizeof(struct vfc_dev *) * (cards + 1));
vfc_dev_lst[cards] = NULL;
ret = register_chrdev(VFC_MAJOR, vfcstr, &vfc_fops);