diff options
| author | Shawn Lin <shawn.lin@rock-chips.com> | 2018-02-24 09:17:23 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-02-27 17:12:25 +0300 |
| commit | 0d84b9e5631d923744767dc6608672df906dd092 (patch) | |
| tree | 7f732b668625b722255a00f1e8da4a20143e7274 /drivers/mmc/host/dw_mmc-k3.c | |
| parent | a4faa4929ed3be15e2d500d2405f992f6dedc8eb (diff) | |
| download | linux-0d84b9e5631d923744767dc6608672df906dd092.tar.xz | |
mmc: dw_mmc: Fix out-of-bounds access for slot's caps
Add num_caps field for dw_mci_drv_data to validate the controller
id from DT alias and non-DT ways.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Fixes: 800d78bfccb3 ("mmc: dw_mmc: add support for implementation specific callbacks")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc-k3.c')
| -rw-r--r-- | drivers/mmc/host/dw_mmc-k3.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c index 75ae5803b0db..89cdb3d533bb 100644 --- a/drivers/mmc/host/dw_mmc-k3.c +++ b/drivers/mmc/host/dw_mmc-k3.c @@ -210,6 +210,7 @@ static int dw_mci_hi6220_execute_tuning(struct dw_mci_slot *slot, u32 opcode) static const struct dw_mci_drv_data hi6220_data = { .caps = dw_mci_hi6220_caps, + .num_caps = ARRAY_SIZE(dw_mci_hi6220_caps), .switch_voltage = dw_mci_hi6220_switch_voltage, .set_ios = dw_mci_hi6220_set_ios, .parse_dt = dw_mci_hi6220_parse_dt, |