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(parent: 9d239d3) | patch
spi: dw-mid: avoid potential NULL dereference
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 2 Mar 2015 18:15:58 +0000 (20:15 +0200)
committerMark Brown <broonie@kernel.org>
Fri, 6 Mar 2015 11:23:26 +0000 (11:23 +0000)
commitc9dafb27c84412fe4b17c3b94cc4ffeef5df1833
tree590ab0ccdb463745a00543117dcc9612472b70b1tree | snapshot (tar.gz zip)
parent9d239d353c319f9ff884c287ce47feb7cdf60ddccommit | diff
spi: dw-mid: avoid potential NULL dereference

When DMA descriptor allocation fails we should not try to assign any fields in
the bad descriptor. The patch adds the necessary checks for that.

Fixes: 7063c0d942a1 (spi/dw_spi: add DMA support)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
drivers/spi/spi-dw-mid.c diff | blob | blame | history