spi: dw-mid: check that DMA was inited before exit (fb57862e) · Commits · github.com / kvm-riscv / linux

Commit fb57862e authored Sep 12, 2014 by

Andy Shevchenko Committed by Mark Brown Sep 13, 2014

spi: dw-mid: check that DMA was inited before exit

If the driver was compiled with DMA support, but DMA channels weren't acquired
by some reason, mid_spi_dma_exit() will crash the kernel.

Fixes: 7063c0d9

 (spi/dw_spi: add DMA support)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 05ed2aee

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