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mmc: block: fix logical error to avoid memory leak

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[ Upstream commit 0be55579a127916ebe39db2a74d906a2dfceed42 ]

If the MMC_DRV_OP_GET_EXT_CSD request completes successfully, then
ext_csd must be freed, but in one case it was not. Fix that.

Signed-off-by: Liu Changcheng <changcheng.liu@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Liu, Changcheng 2017-12-16 23:15:45 +08:00 committed by Greg Kroah-Hartman
parent 9dd93e5249
commit 79a49fcc07
1 changed files with 1 additions and 0 deletions

1
drivers/mmc/core/block.c

@ -2387,6 +2387,7 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp)
if (n != EXT_CSD_STR_LEN) {
err = -EINVAL;
kfree(ext_csd);
goto out_free;
}