perf/core: Don't leak event in the syscall error path
authorAlexander Shishkin <alexander.shishkin@linux.intel.com>
Mon, 21 Mar 2016 08:02:42 +0000 (10:02 +0200)
committerIngo Molnar <mingo@kernel.org>
Thu, 31 Mar 2016 07:54:07 +0000 (09:54 +0200)
commit201c2f85bd0bc13b712d9c0b3d11251b182e06ae
treef6cee3978f4e8cc0da26f9272cd483d815d1d404
parent8fdc65391c6ad16461526a685f03262b3b01bfde
perf/core: Don't leak event in the syscall error path

In the error path, event_file not being NULL is used to determine
whether the event itself still needs to be free'd, so fix it up to
avoid leaking.

Reported-by: Leon Yu <chianglungyu@gmail.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Fixes: 130056275ade ("perf: Do not double free")
Link: http://lkml.kernel.org/r/87twk06yxp.fsf@ashishki-desk.ger.corp.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/events/core.c