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| H A D | renesas_sdhi_internal_dmac.c | diff 48e1dc10a9440872c0fc07a7fbcfce177f996fd4 Fri Oct 20 05:12:42 CEST 2017 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> mmc: renesas_sdhi: fix kernel panic in _internal_dmac.c
Since this driver checks if the return value of dma_map_sg() is minus
or not and keeps to enable the DMAC, it may cause kernel panic when
the dma_map_sg() returns 0. So, this patch fixes the issue.
Reported-by: Dirk Behme <dirk.behme@de.bosch.com>
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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