From: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxxxxxxxx>
Two returns were missing on the ww_mutex backport, add these.
The enhancements are not supported on older kernels so just
bail out early.
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>
---
backport/compat/kernel/ww_mutex.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/backport/compat/kernel/ww_mutex.c b/backport/compat/kernel/ww_mutex.c
index 257c2a4..204ac8f 100644
--- a/backport/compat/kernel/ww_mutex.c
+++ b/backport/compat/kernel/ww_mutex.c
@@ -206,10 +206,12 @@ static void mspin_unlock(struct mspin_node **lock, struct mspin_node *node)
static inline bool owner_running(struct mutex *lock, struct task_struct *owner)
{
+ return false;
}
int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner)
{
+ return 1;
}
static inline int mutex_can_spin_on_owner(struct mutex *lock)
--
1.7.10.4
--
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