[ovs-git] [openvswitch/ovs] 576a20: netdev-linux: Avoid division by 0 if kernel report...
noreply at github.com
Mon Aug 20 16:31:11 UTC 2018
Author: Ben Pfaff <blp at ovn.org>
Date: 2018-08-20 (Mon, 20 Aug 2018)
netdev-linux: Avoid division by 0 if kernel reports bad scheduler data.
If the kernel reported a value of 0 for the second value in
/proc/net/psched, it would cause a division-by-zero fault in
read_psched(). I don't know of a kernel that would actually do that, but
it's still better to be safe.
Found by clang static analyzer.
Reported-by: Bhargava Shastry <bshastry at sect.tu-berlin.de>
Signed-off-by: Ben Pfaff <blp at ovn.org>
Reviewed-by: Yifeng Sun <pkusunyifeng at gmail.com>
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