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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2014-05-23 13:20:42 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-06-05 11:52:13 +0200 |
| commit | fa93384f40deeb294fd29f2fdcadbd0ebc2dedf1 (patch) | |
| tree | 7948bf37a7b399f753937a311488b3f23b01622e /kernel/sched | |
| parent | 2538d960d0c74cdc639f05723e04a67aed1efdf9 (diff) | |
| download | lwn-fa93384f40deeb294fd29f2fdcadbd0ebc2dedf1.tar.gz lwn-fa93384f40deeb294fd29f2fdcadbd0ebc2dedf1.zip | |
sched: Fix signedness bug in yield_to()
yield_to() is supposed to return -ESRCH if there is no task to
yield to, but because the type is bool that is the same as returning
true.
The only place I see which cares is kvm_vcpu_on_spin().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Raghavendra <raghavendra.kt@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Link: http://lkml.kernel.org/r/20140523102042.GA7267@mwanda
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 321d800e4baa..afcc84234a3e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4195,7 +4195,7 @@ EXPORT_SYMBOL(yield); * false (0) if we failed to boost the target. * -ESRCH if there's no task to yield to. */ -bool __sched yield_to(struct task_struct *p, bool preempt) +int __sched yield_to(struct task_struct *p, bool preempt) { struct task_struct *curr = current; struct rq *rq, *p_rq; |