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(parent: 57acb48) | patch
ext3: Avoid underflow of in ext3_trim_fs()
authorLukas Czerner <lczerner@redhat.com>
Thu, 11 Oct 2012 10:28:38 +0000 (12:28 +0200)
committerJan Kara <jack@suse.cz>
Mon, 19 Nov 2012 20:36:12 +0000 (21:36 +0100)
commit7e8a4c1d2a518b597b7966f3d5b64bc5d37941eb
tree26d391bf3656e1db4e8e0d97017185c7cc968bfftree | snapshot
parent57acb481ab1a4a20466a9f2d237ebc1cf7a08373commit | diff
ext3: Avoid underflow of in ext3_trim_fs()

Currently if len argument in ext3_trim_fs() is smaller than one block,
the 'end' variable underflow. Avoid that by returning EINVAL if len is
smaller than file system block.

Also remove useless unlikely().

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/ext3/balloc.c diff | blob | history
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