tree 590ab0ccdb463745a00543117dcc9612472b70b1
parent 9d239d353c319f9ff884c287ce47feb7cdf60ddc
author Andy Shevchenko <andriy.shevchenko@linux.intel.com> 1425320158 +0200
committer Mark Brown <broonie@kernel.org> 1425641006 +0000

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