From: Mikko Rapeli mikko.rapeli@linaro.org
Commit "mmc: core: Use mrq.sbc in close-ended ffu" assigns prev_idata = idatas[i - 1] but doesn't check that int iterator i is greater than zero. Add the check.
Fixes: 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu")
Link: https://lore.kernel.org/all/20231129092535.3278-1-avri.altman@wdc.com/
Cc: Avri Altman avri.altman@wdc.com Cc: Ulf Hansson ulf.hansson@linaro.org Cc: Adrian Hunter adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Mikko Rapeli mikko.rapeli@linaro.org --- drivers/mmc/core/block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 0df627de9cee..7f275b4ca9fa 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -488,7 +488,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, if (idata->flags & MMC_BLK_IOC_DROP) return 0;
- if (idata->flags & MMC_BLK_IOC_SBC) + if (idata->flags & MMC_BLK_IOC_SBC && i > 0) prev_idata = idatas[i - 1];
/*