From: Peter Williams <pwil3058@bigpond.net.au>
Date: Mon, 26 Jun 2006 06:58:00 +0000 (+1000)
Subject: [PATCH] sched: fix SCHED_FIFO bug in sys_sched_rr_get_interval()
X-Git-Tag: v2.6.18-rc1~615
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b78709cfd4387c15a9894748bcada8a4ca75c561;p=pandora-kernel.git

[PATCH] sched: fix SCHED_FIFO bug in sys_sched_rr_get_interval()

The introduction of SCHED_BATCH scheduling class with a value of 3 means
that the expression (p->policy & SCHED_FIFO) will return true if policy
is SCHED_BATCH or SCHED_FIFO.

Unfortunately, this expression is used in sys_sched_rr_get_interval()
and in the absence of a comment to say that this is intentional I
presume that it is unintentional and erroneous.

The fix is to change the expression to (p->policy == SCHED_FIFO).

Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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