commit | dd4c1b7d0c95be1c9245118a3accc41a16f1db67 | [log] [tgz] |
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author | Mikulas Patocka <mpatocka@redhat.com> | Fri Jun 05 09:50:42 2015 -0400 |
committer | Mike Snitzer <snitzer@redhat.com> | Wed Jun 17 12:40:39 2015 -0400 |
tree | 3f2ba6693d124977cd18155d132f52a1de20c9b2 | |
parent | bccab6a01afc26f53d91762d78153513cad10b29 [diff] |
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+