diff options
| author | Julia Lawall <julia@diku.dk> | 2011-08-08 13:18:02 +0200 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-11-24 02:01:24 -0600 |
| commit | e3854b6e25d1b092c30c5f81a04fe6fc839b1e26 (patch) | |
| tree | fa286f9ef6ff12713dfb958b10a094bc69fb9504 /arch/powerpc | |
| parent | 7145cf12095265b8a292835d0f6da87f89fac1d1 (diff) | |
arch/powerpc/sysdev/ehv_pic.c: add missing kfree
At this point, ehv_pic has been allocated but not stored anywhere, so it
should be freed before leaving the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@exists@
local idexpression x;
statement S,S1;
expression E;
identifier fl;
expression *ptr != NULL;
@@
x = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...kfree(x)...+> }
when any
when != true x == NULL
x->fl
...>
(
if (x == NULL) S1
|
if (...) { ... when != x
when forall
(
return \(0\|<+...x...+>\|ptr\);
|
* return ...;
)
}
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/sysdev/ehv_pic.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c index af1a5df46b3e..b6731e4a6646 100644 --- a/arch/powerpc/sysdev/ehv_pic.c +++ b/arch/powerpc/sysdev/ehv_pic.c @@ -280,6 +280,7 @@ void __init ehv_pic_init(void) if (!ehv_pic->irqhost) { of_node_put(np); + kfree(ehv_pic); return; } |