Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH 2/2] Cell OProfile: SPU mutex lock fix, version 4 | Date | Fri, 8 Aug 2008 15:26:20 +0200 |
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On Friday 01 August 2008, Carl Love wrote: > If an error occurs on opcontrol start, the event and per cpu buffers > are released. If later opcontrol shutdown is called then the free > function will be called again to free buffers that no longer > exist. This results in a kernel oops. The following changes > prevent the call to delete buffers that don't exist. > > Signed-off-by: Carl Love <carll@us.ibm.com> >
vfree(NULL) is defined to be legal, so you don't need to check the argument for being non-NULL, just set it to NULL after the free.
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