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
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