Commit 79a49fcc authored Dec 16, 2017 by Liu, Changcheng Committed by Greg Kroah-Hartman Mar 24, 2018

mmc: block: fix logical error to avoid memory leak




[ 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>

parent 9dd93e52

drivers/mmc/core/block.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}