tree cb0991486ba8da4e0dc021776fb555fb6fbd4f64
parent 97a04271dfb2aaf00b599820eb7297ba60642114
author Chao Yu <chao@kernel.org> 1686036723 +0800
committer Tim Zimmermann <tim@linux4.de> 1715356040 +0200
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ext4: fix to check return value of freeze_bdev() in ext4_shutdown()

[ Upstream commit c4d13222afd8a64bf11bc7ec68645496ee8b54b9 ]

freeze_bdev() can fail due to a lot of reasons, it needs to check its
reason before later process.

Fixes: 783d94854499 ("ext4: add EXT4_IOC_GOINGDOWN ioctl")
Cc: stable@kernel.org
Signed-off-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230606073203.1310389-1-chao@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>