Messages in this thread | | | Subject | Re: [v3.2-v3.4 stable version][PATCH 1/2] ring-buffer: Fix NULL pointer if rb_set_head_page() fails | From | Ben Hutchings <> | Date | Thu, 27 Dec 2012 17:09:58 +0100 |
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On Wed, 2012-12-12 at 13:44 -0500, Steven Rostedt wrote: > The function rb_set_head_page() searches the list of ring buffer > pages for a the page that has the HEAD page flag set. If it does > not find it, it will do a WARN_ON(), disable the ring buffer and > return NULL, as this should never happen. > > But if this bug happens to happen, not all callers of this function > can handle a NULL pointer being returned from it. That needs to be > fixed. > > Cc: stable@vger.kernel.org # 3.0+ > Signed-off-by: Steven Rostedt <rostedt@goodmis.org> [...]
Queued up for 3.2, thanks.
Ben.
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