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author | Jim Rees <rees@umich.edu> | 2013-05-18 01:33:00 +0400 |
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committer | J. Bruce Fields <bfields@redhat.com> | 2013-05-21 19:02:03 +0400 |
commit | 1a9357f443d64aa41e9b0dc414953663a6fcca19 (patch) | |
tree | 590818d77f07ab18197167024779738ec2a01f12 /fs/nfsd/nfs3acl.c | |
parent | b6040f9706c4c81cc50b50855ed70840f022bebb (diff) | |
download | linux-1a9357f443d64aa41e9b0dc414953663a6fcca19.tar.xz |
nfsd: avoid undefined signed overflow
In C, signed integer overflow results in undefined behavior, but unsigned
overflow wraps around. So do the subtraction first, then cast to signed.
Reported-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs3acl.c')
0 files changed, 0 insertions, 0 deletions