ACPI: fix acpi_find_child_device() invocation in acpi_preset_companion()

[mirror_ubuntu-bionic-kernel.git] / include / linux / percpu-rwsem.h

diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h
index b1f37a89e368683233499bc5942b43e353b637a3..79b99d653e030d113e4401fc26c7b47e81dcff8c 100644 (file)
--- a/include/linux/percpu-rwsem.h
+++ b/include/linux/percpu-rwsem.h
@@ -133,7 +133,7 @@ static inline void percpu_rwsem_release(struct percpu_rw_semaphore *sem,
        lock_release(&sem->rw_sem.dep_map, 1, ip);
 #ifdef CONFIG_RWSEM_SPIN_ON_OWNER
        if (!read)
-               sem->rw_sem.owner = NULL;
+               sem->rw_sem.owner = RWSEM_OWNER_UNKNOWN;
 #endif
 }
 
@@ -141,6 +141,10 @@ static inline void percpu_rwsem_acquire(struct percpu_rw_semaphore *sem,
                                        bool read, unsigned long ip)
 {
        lock_acquire(&sem->rw_sem.dep_map, 0, 1, read, 1, NULL, ip);
+#ifdef CONFIG_RWSEM_SPIN_ON_OWNER
+       if (!read)
+               sem->rw_sem.owner = current;
+#endif
 }
 
 #endif