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(parent: 5ced266) | patch
staging: ccree: check DMA pool buf !NULL before free
authorGilad Ben-Yossef <gilad@benyossef.com>
Sun, 7 Jan 2018 12:14:24 +0000 (12:14 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Jan 2018 15:27:23 +0000 (16:27 +0100)
commit2f7caf6b02145bd9cd9d0b56204f51a5fefe7790
tree7d90c77387623e3107d80c00032a842e1048c3e8tree | snapshot
parent5ced2664699beb76ed54e2b88ccf2e1580e4e520commit | diff
staging: ccree: check DMA pool buf !NULL before free

If we ran out of DMA pool buffers, we get into the unmap
code path with a NULL before. Deal with this by checking
the virtual mapping is not NULL.

Cc: stable@vger.kernel.org
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/ccree/ssi_buffer_mgr.c diff | blob | history
Domain: System / Kernel;