perf: Remove superfluous allocation error check
authorJiri Olsa <jolsa@kernel.org>
Sun, 15 Apr 2018 09:23:52 +0000 (11:23 +0200)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 17 Apr 2018 12:47:40 +0000 (09:47 -0300)
commitbfb3d7b8b906b66551424d7636182126e1d134c8
tree3d63373dc7d8568ac2b46945474579e80dac3e2d
parent5af44ca53d019de47efe6dbc4003dd518e5197ed
perf: Remove superfluous allocation error check

If the get_callchain_buffers fails to allocate the buffer it will
decrease the nr_callchain_events right away.

There's no point of checking the allocation error for
nr_callchain_events > 1. Removing that check.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: syzkaller-bugs@googlegroups.com
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20180415092352.12403-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
kernel/events/callchain.c