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| author | Chunyu Hu <chuhu@redhat.com> | 2016-03-14 15:35:41 +0300 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-03-18 17:36:21 +0300 |
| commit | c8ca003b2fde177b83de87f9f20f6a5933fb50bf (patch) | |
| tree | 05f03d5ecb63b05c86a4846902b2d7b05731cc29 /kernel/trace/trace_irqsoff.c | |
| parent | 6363c6b599ae67b779d01a48642a7c0d7d721814 (diff) | |
| download | linux-c8ca003b2fde177b83de87f9f20f6a5933fb50bf.tar.xz | |
tracing: Fix return while holding a lock in register_tracer()
commit d39cdd2036a6 ("tracing: Make tracer_flags use the right set_flag
callback") introduces a potential mutex deadlock issue, as it forgets to
free the mutex when allocaing the tracer_flags gets fail.
The issue was found by Dan Carpenter through Smatch static code check tool.
Link: http://lkml.kernel.org/r/1457958941-30265-1-git-send-email-chuhu@redhat.com
Fixes: d39cdd2036a6 ("tracing: Make tracer_flags use the right set_flag callback")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Chunyu Hu <chuhu@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_irqsoff.c')
0 files changed, 0 insertions, 0 deletions