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authorDan Carpenter <dan.carpenter@oracle.com>2014-05-23 13:20:42 +0300
committerIngo Molnar <mingo@kernel.org>2014-06-05 11:52:13 +0200
commitfa93384f40deeb294fd29f2fdcadbd0ebc2dedf1 (patch)
tree7948bf37a7b399f753937a311488b3f23b01622e /kernel
parent2538d960d0c74cdc639f05723e04a67aed1efdf9 (diff)
downloadop-kernel-dev-fa93384f40deeb294fd29f2fdcadbd0ebc2dedf1.zip
op-kernel-dev-fa93384f40deeb294fd29f2fdcadbd0ebc2dedf1.tar.gz
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')
-rw-r--r--kernel/sched/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 321d800..afcc842 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;
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