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authorDarrick J. Wong <djwong@us.ibm.com>2010-11-19 09:56:44 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-11-19 09:56:44 -0500
commit5a9ae68a349aa076bc8557ee2fcf865574459282 (patch)
tree484c26f74f13a0c5962ac634c90462d98dea8e1a /fs/statfs.c
parent0587aa3d11f9769a301b21bff2c3ed8365606b8d (diff)
ext4: ext4_fill_super shouldn't return 0 on corruption
At the start of ext4_fill_super, ret is set to -EINVAL, and any failure path out of that function returns ret. However, the generic_check_addressable clause sets ret = 0 (if it passes), which means that a subsequent failure (e.g. a group checksum error) returns 0 even though the mount should fail. This causes vfs_kern_mount in turn to think that the mount succeeded, leading to an oops. A simple fix is to avoid using ret for the generic_check_addressable check, which was last changed in commit 30ca22c70e3ef0a96ff84de69cd7e8561b416cb2. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/statfs.c')
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