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authorPeter Zijlstra <peterz@infradead.org>2014-01-16 17:54:25 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-16 18:07:08 +0100
commiteaad45132c564ce377e6dce05e78e08e456d5315 (patch)
tree5f61d9611cfeabfae68ad4bc22583a87524a4478 /include/net
parent7479f3c9cf67edf5e8a76b21ea3726757f35cf53 (diff)
downloadlinux-eaad45132c564ce377e6dce05e78e08e456d5315.tar.bz2
sched: Fix __sched_setscheduler() nice test
With the introduction of sched_attr::sched_nice we need to check if we've got permission to actually change the nice value. Daniel found that can_nice() would always fail; and upon inspection it turns out that can_nice() only tests to see if we can lower the nice value, but it doesn't validate if we're lowering or not. Therefore amend the test to only call can_nice() when we lower the nice value. Reported-and-Tested-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: raistlin@linux.it Cc: juri.lelli@gmail.com Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Fixes: d50dde5a10f3 ("sched: Add new scheduler syscalls to support an extended scheduling parameters ABI") Link: http://lkml.kernel.org/r/20140116165425.GA9481@laptop.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
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