Transform kzalloc calls to kcalloc

This patchset changes some kzalloc calls to kcalloc.

The semantic patch used to make this change is:

@@
type T, T2;
expression x;
identifier f,f1;
expression E1,E2,E3,E4;
statement S,S1,S2;
@@
- x = (T)kmalloc(E1,E2)
+ x = kzalloc(E1,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
if ((x!=NULL)&&...) {
... when != \(f1(...,x,...)\|<+...x...+>=E4\)
when != \(while(...) S1\|for(...;...;...) S1\)
- memset((T2)x,0,E1);
...
} else S2
|
- memset((T2)x,0,E1);
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f,f1;
expression E2,E3,E4;
statement S,S1,S2;
@@
- x = (T)kmalloc(sizeof(T1),E2)
+ x = kzalloc(sizeof(T1),E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
if ((x!=NULL)&&...) {
... when != \(f1(...,x,...)\|<+...x...+>=E4\)
when != \(while(...) S1\|for(...;...;...) S1\)
- memset((T2)x,0,sizeof(*y));
...
} else S2
|
- memset((T2)x,0,sizeof(*y));
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f,f1;
expression E,E2,E3,E4;
statement S,S1,S2;
@@
- x = (T)kmalloc(sizeof(T1)*E,E2)
+ x = kzalloc(sizeof(T1)*E,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
if ((x!=NULL)&&...) {
... when != \(f1(...,x,...)\|<+...x...+>=E4\)
when != \(while(...) S1\|for(...;...;...) S1\)
- memset((T2)x,0,sizeof(*y)*E);
...
} else S2
|
- memset((T2)x,0,sizeof(*y)*E);
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f,f1;
expression E2,E3,E4;
statement S,S1,S2;
@@
- x = (T)kmalloc(sizeof(*y),E2)
+ x = kzalloc(sizeof(*y),E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
if ((x!=NULL)&&...) {
... when != \(f1(...,x,...)\|<+...x...+>=E4\)
when != \(while(...) S1\|for(...;...;...) S1\)
- memset((T2)x,0,sizeof(T1));
...
} else S2
|
- memset((T2)x,0,sizeof(T1));
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f,f1;
expression E,E2,E3,E4;
statement S,S1,S2;
@@
- x = (T)kmalloc(sizeof(*y)*E,E2)
+ x = kzalloc(sizeof(*y)*E,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
if ((x!=NULL)&&...) {
... when != \(f1(...,x,...)\|<+...x...+>=E4\)
when != \(while(...) S1\|for(...;...;...) S1\)
- memset((T2)x,0,sizeof(T1)*E);
...
} else S2
|
- memset((T2)x,0,sizeof(T1)*E);
)
@ disable neg_if, mult_comm @
type T, T2;
expression x;
identifier f,f1;
expression E0,E1,E2,E3,E4;
statement S,S1,S2;
@@
- x = (T)kmalloc(E0 * E1,E2)
+ x = kzalloc(E0 * E1,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
if ((x!=NULL)&&...) {
... when != \(f1(...,x,...)\|<+...x...+>=E4\)
when != \(while(...) S1\|for(...;...;...) S1\)
- memset((T2)x,0,E1 * E0);
...
} else S2
|
- memset((T2)x,0,E1 * E0);
)
// --------------------------------------------------------------------- // --------------------------------------------------------------------- // have to duplicate everything again to make a version with no braces //\(x->fld\|f(...,x,...)\|x=E\)
@@
type T, T2;
expression x;
identifier f;
expression E1,E2,E3;
statement S,S2;
@@
- x = (T)kmalloc(E1,E2)
+ x = kzalloc(E1,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
- if ((x!=NULL)&&...) memset((T2)x,0,E1);
|
+ if (!x)
- if ((x!=NULL)&&...) memset((T2)x,0,E1); else
S2
)
@ @
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f;
expression E2,E3;
statement S,S2;
@@
- x = (T)kmalloc(sizeof(T1),E2)
+ x = kzalloc(sizeof(T1),E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(*y));
|
+ if (!x)
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(*y)); else
S2
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f;
expression E,E2,E3;
statement S,S2;
@@
- x = (T)kmalloc(sizeof(T1)*E,E2)
+ x = kzalloc(sizeof(T1)*E,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(*y)*E);
|
+ if (!x)
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(*y)*E); else
S2
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f;
expression E2,E3;
statement S,S2;
@@
- x = (T)kmalloc(sizeof(*y),E2)
+ x = kzalloc(sizeof(*y),E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(T1));
|
+ if (!x)
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(T1)); else
S2
)
@@
type T, T2;
type T1;
T1 *x;
T1 *y;
identifier f;
expression E,E2,E3;
statement S,S2;
@@
- x = (T)kmalloc(sizeof(*y)*E,E2)
+ x = kzalloc(sizeof(*y)*E,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(T1)*E);
|
+ if (!x)
- if ((x!=NULL)&&...) memset((T2)x,0,sizeof(T1)*E); else
S2
)
@ disable neg_if, mult_comm @
type T, T2;
expression x;
identifier f;
expression E0,E1,E2,E3;
statement S,S2;
@@
- x = (T)kmalloc(E0 * E1,E2)
+ x = kzalloc(E0 * E1,E2)
... when != \(f(...,x,...)\|<+...x...+>=E3\)
when != \(while(...) S\|for(...;...;...) S\)
(
- if ((x!=NULL)&&...) memset((T2)x,0,E1 * E0);
|
+ if (!x)
- if ((x!=NULL)&&...) memset((T2)x,0,E1 * E0); else
S2
)
// --------------------------------------------------------------------- @@
expression E;
statement S;
@@
kzalloc(...)
...
if (E) S
- else { }
// --------------------------------------------------------------------- // --------------------------------------------------------------------- @@
expression E1,E2,E3;
@@
- kzalloc(E1*sizeof(E2),E3)
+ kcalloc(E1,sizeof(E2),E3)
@@
expression E1,E3;
type T;
@@
- kzalloc(E1*sizeof(T),E3)
+ kcalloc(E1,sizeof(T),E3)
@@
expression E1,E2,E3,E4;
@@
- kzalloc(E1*E2*sizeof(E3),E4)
+ kcalloc(E1*E2,sizeof(E3),E4)
@@
expression E1,E2,E3;
type T;
@@
- kzalloc(E1*E2*sizeof(T),E3)
+ kcalloc(E1*E2,sizeof(T),E3)
@@
expression E1,E2,E3,E4;
@@
- kzalloc(sizeof(E3)*E1*E2,E4)
+ kcalloc(E1*E2,sizeof(E3),E4)
@@
expression E1,E2,E3;
type T;
@@
- kzalloc(sizeof(T)*E1*E2,E3)
+ kcalloc(E1*E2,sizeof(T),E3)
@@
constant E1;
expression E2,E3;
@@
- kzalloc(E1*E2,E3)
+ kcalloc(E1,E2,E3)

Navya Sri Nizamkari (8):
staging: rtl8188eu: Use kcalloc instead of kzalloc.
staging: rtl8188eu: Use kcalloc instead of kzalloc
staging: dgnc: Use kcalloc instead of kzalloc.
staging: iio: Use kcalloc instead of kzalloc.
staging: iio: Use kcalloc instead of kzalloc
staging: media: Use kcalloc instead of kzalloc.
staging: media: Use kcalloc instead of kzalloc
staging: unisys: Use kcalloc instead of kzalloc.

 drivers/staging/dgnc/dgnc_driver.c                   | 2 +-
 drivers/staging/iio/accel/lis3l02dq_ring.c           | 2 +-
 drivers/staging/iio/adc/ad7280a.c                    | 5 +++--
 drivers/staging/media/bcm2048/radio-bcm2048.c        | 2 +-
 drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c | 7 ++++---
 drivers/staging/rtl8188eu/core/rtw_xmit.c            | 3 ++-
 drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c       | 2 +-
 drivers/staging/unisys/visorutil/procobjecttree.c    | 6 +++---
 8 files changed, 16 insertions(+), 13 deletions(-)

1.9.1