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author | Mikulas Patocka <mpatocka@redhat.com> | 2015-06-05 09:50:42 -0400 |
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committer | Mike Snitzer <snitzer@redhat.com> | 2015-06-17 12:40:39 -0400 |
commit | dd4c1b7d0c95be1c9245118a3accc41a16f1db67 (patch) | |
tree | 3f2ba6693d124977cd18155d132f52a1de20c9b2 /Documentation/device-mapper | |
parent | bccab6a01afc26f53d91762d78153513cad10b29 (diff) | |
download | op-kernel-dev-dd4c1b7d0c95be1c9245118a3accc41a16f1db67.zip op-kernel-dev-dd4c1b7d0c95be1c9245118a3accc41a16f1db67.tar.gz |
dm stats: fix divide by zero if 'number_of_areas' arg is zero
If the number_of_areas argument was zero the kernel would crash on
div-by-zero. Add better input validation.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # v3.12+
Diffstat (limited to 'Documentation/device-mapper')
0 files changed, 0 insertions, 0 deletions