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(parent: 8c80fb3) | patch
ext4: initialize err_blk before calling __ext4_get_inode_loc
authorHarshad Shirwadkar <harshadshirwadkar@gmail.com>
Wed, 1 Dec 2021 16:34:21 +0000 (08:34 -0800)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 10 Jan 2022 18:25:55 +0000 (13:25 -0500)
commitc27c29c6af4f3f4ce925a2111c256733c5a5b430
treea4b6b74fa31230340084d2f7b9e01d0164c4277btree | snapshot
parent8c80fb312d7abf8bcd66cca1d843a80318a2c522commit | diff
ext4: initialize err_blk before calling __ext4_get_inode_loc

It is not guaranteed that __ext4_get_inode_loc will definitely set
err_blk pointer when it returns EIO. To avoid using uninitialized
variables, let's first set err_blk to 0.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20211201163421.2631661-1-harshads@google.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
fs/ext4/inode.c diff | blob | history
Domain: System / Kernel;