diff options
| author | Jaehoon Chung <jh80.chung@samsung.com> | 2016-06-20 06:16:09 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-07-25 10:34:29 +0200 |
| commit | e5a613537c4816830541046af12e8d37b075949c (patch) | |
| tree | 5d2de2c878e9dad5dbd59c0022359f2bbbed082d /drivers | |
| parent | mmc: dw_mmc: remove UBSAN warning in dw_mci_setup_bus() (diff) | |
| download | linux-e5a613537c4816830541046af12e8d37b075949c.tar.xz linux-e5a613537c4816830541046af12e8d37b075949c.zip | |
mmc: dw_mmc: exynos: fix the NULL pointer dereference error
"host->cur_slot" should be assigned to start the request.
So it can be the NULL pointer. This patch fixed this error.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/dw_mmc-exynos.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 7e3a3247b852..da0ef1765735 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -157,7 +157,7 @@ static void dw_mci_exynos_set_clksel_timing(struct dw_mci *host, u32 timing) * HOLD register should be bypassed in case there is no phase shift * applied on CMD/DATA that is sent to the card. */ - if (!SDMMC_CLKSEL_GET_DRV_WD3(clksel)) + if (!SDMMC_CLKSEL_GET_DRV_WD3(clksel) && host->cur_slot) set_bit(DW_MMC_CARD_NO_USE_HOLD, &host->cur_slot->flags); } |