taskstats: cgroupstats_user_cmd() may leak on error
authorJesper Juhl <jj@chaosbits.net>
Fri, 5 Oct 2012 00:16:52 +0000 (17:16 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 5 Oct 2012 18:05:31 +0000 (03:05 +0900)
commit0324b5a450f8a58304e93c5d886add24ca3527bc
treef3e77339d9964f550485e9d9b40897ba1b95b33f
parent322c9ec009fdc2bc9ccb8f55afab3f7ab8ac71ab
taskstats: cgroupstats_user_cmd() may leak on error

If prepare_reply() succeeds we have allocated memory for 'rep_skb'.  If
nla_reserve() then subsequently fails and returns NULL we fail to release
the memory we allocated, thus causing a leak.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/taskstats.c