Patch "mmc: block: fix logical error to avoid memory leak" has been added to the 4.15-stable tree

Patch "mmc: block: fix logical error to avoid memory leak" has been added to the 4.15-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    mmc: block: fix logical error to avoid memory leak

to the 4.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     mmc-block-fix-logical-error-to-avoid-memory-leak.patch
and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Mar 22 14:03:39 CET 2018
From: "Liu, Changcheng" <changcheng.liu@intel.com>
Date: Sat, 16 Dec 2017 23:15:45 +0800
Subject: mmc: block: fix logical error to avoid memory leak

From: "Liu, Changcheng" <changcheng.liu@intel.com>


[ 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>
---
 drivers/mmc/core/block.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2623,6 +2623,7 @@ static int mmc_ext_csd_open(struct inode
 
 	if (n != EXT_CSD_STR_LEN) {
 		err = -EINVAL;
+		kfree(ext_csd);
 		goto out_free;
 	}
 


Patches currently in stable-queue which might be from changcheng.liu@intel.com are

queue-4.15/mmc-block-fix-logical-error-to-avoid-memory-leak.patch