diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2017-10-20 12:12:42 +0900 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-10-20 11:24:58 +0200 |
| commit | 48e1dc10a9440872c0fc07a7fbcfce177f996fd4 (patch) | |
| tree | 128c3f5257c96ff7b8c42d512269d1526002a17a /drivers/mmc/host/dw_mmc.c | |
| parent | e90e8da72ad694a16a4ffa6e5adae3610208f73b (diff) | |
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>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
0 files changed, 0 insertions, 0 deletions