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authorOleg Nesterov <oleg@redhat.com>2013-07-23 17:26:10 +0200
committerSteven Rostedt <rostedt@rostedt.homelinux.com>2013-07-24 11:22:53 -0400
commit6484c71cbc170634fa131b6d022d86d61686b88b (patch)
tree68f696f4985f368a2fa7f93a2d474fea2c7585db /include/sound/da9055.h
parent0bc392ee46d0fd8e6b678457ef71f074f19a03c5 (diff)
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tracing: Change tracing_fops/snapshot_fops to rely on tracing_get_cpu()
tracing_open() and tracing_snapshot_open() are racy, the memory inode->i_private points to can be already freed. Convert these last users of "inode->i_private == trace_cpu" to use "i_private = trace_array" and rely on tracing_get_cpu(). v2: incorporate the fix from Steven, tracing_release() must not blindly dereference file->private_data unless we know that the file was opened for reading. Link: http://lkml.kernel.org/r/20130723152610.GA23737@redhat.com Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/sound/da9055.h')
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