ring-buffer: check for failed allocation in ring buffer benchmark
commit00c81a58c5b4e0de14ee33bfbc3d71c90f69f9ea
authorSteven Rostedt <srostedt@redhat.com>
Wed, 6 May 2009 16:40:51 +0000 (6 12:40 -0400)
committerSteven Rostedt <rostedt@goodmis.org>
Wed, 6 May 2009 16:49:20 +0000 (6 12:49 -0400)
treed34d323e0a3b67ee5ce4c0ae8a0b3dbbc9bf2562
parent8e7abf1c62941ebb7a1416cbc62392c8a0902625
ring-buffer: check for failed allocation in ring buffer benchmark

The result of the allocation of the ring buffer read page in the
ring buffer bench mark does not check the return to see if a page
was actually allocated. This patch fixes that.

[ Impact: avoid NULL dereference ]

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/ring_buffer_benchmark.c