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(parent: 7171511) | patch
spi: core: Fix check for dma_map_sg() failures
authorGeert Uytterhoeven <geert+renesas@glider.be>
Thu, 10 Jul 2014 13:29:32 +0000 (15:29 +0200)
committerMark Brown <broonie@linaro.org>
Fri, 11 Jul 2014 12:57:10 +0000 (13:57 +0100)
commit89e4b66a2e34744615c79349aa936df1b4204faf
tree75a9b942c590ebe9d0d978f3de2e8c07a6bc2e91tree | snapshot
parent7171511eaec5bf23fb06078f59784a3a0626b38fcommit | diff
spi: core: Fix check for dma_map_sg() failures

According to Documentation/DMA-API.txt, dma_map_sg() returns 0 on failure.
As spi_map_buf() returns an error code, convert zero into -ENOMEM.
Keep the existing check for negative numbers just in case.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
drivers/spi/spi.c diff | blob | history
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