From: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Date: Mon, 7 Nov 2022 12:20:49 +0000 (+0530)
Subject: lib/ext2fs: fix unbalanced mutex unlock for BOUNCE_MTX in unix_io
X-Git-Tag: v1.47.0~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c640cf1f3a9a7ac6ecbf82c27539c8e158f8ea24;p=thirdparty%2Fe2fsprogs.git

lib/ext2fs: fix unbalanced mutex unlock for BOUNCE_MTX in unix_io

f_crashdisk test failed with UNIX_IO_FORCE_BOUNCE=yes due to unbalanced
mutex unlock in below path.

This patch fixes it.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/lib/ext2fs/unix_io.c b/lib/ext2fs/unix_io.c
index e53db3339..5b8948266 100644
--- a/lib/ext2fs/unix_io.c
+++ b/lib/ext2fs/unix_io.c
@@ -305,7 +305,6 @@ bounce_read:
 	while (size > 0) {
 		actual = read(data->dev, data->bounce, align_size);
 		if (actual != align_size) {
-			mutex_unlock(data, BOUNCE_MTX);
 			actual = really_read;
 			buf -= really_read;
 			size += really_read;