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mqprio: Avoid panic if no options are provided
authorThomas Graf <tgraf@redhat.com>
Thu, 22 Dec 2011 02:05:07 +0000 (02:05 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 23 Dec 2011 03:34:56 +0000 (22:34 -0500)
Userspace may not provide TCA_OPTIONS, in fact tc currently does
so not do so if no arguments are specified on the command line.
Return EINVAL instead of panicing.

Signed-off-by: Thomas Graf <tgraf@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

No differences found
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