tracing: Fix preempt count leak

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While running my ftrace stress test, this showed up:

BUG: sleeping function called from invalid context at mm/mmap.c:233
...
note: cat[3293] exited with preempt_count 1

The bug was introduced by commit 91e86e560d
("tracing: Fix recursive user stack trace")

Cc: <stable@kernel.org>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4D0089AC.1020802@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

...

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Li Zefan 2010-12-09 15:47:56 +08:00 • committed by Steven Rostedt

parent bd1c8b22b7

commit 1dbd1951f3

1 changed files with 2 additions and 4 deletions

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kernel/trace/trace.c

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