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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)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 6 Jan 2012 22:14:08 +0000 (14:14 -0800)
commit477a897533f9ab9a6ebb6eedfa9ca3760caa94b2
treec7b870384e18ec15602a765f5037c8cd4186ee35tree
parent7eac8f9de24674cc55ee9797d05447bbfbdf1a96commit | diff
mqprio: Avoid panic if no options are provided

[ Upstream commit 7838f2ce36b6ab5c13ef20b1857e3bbd567f1759 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
net/sched/sch_mqprio.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git