remove a redundant comparision
Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
---
kernel/locking/rwsem-xadd.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c
index 1f99664b..6f8bd3c 100644
--- a/kernel/locking/rwsem-xadd.c
+++ b/kernel/locking/rwsem-xadd.c
@@ -249,8 +249,7 @@ static inline bool rwsem_try_write_lock(long count, struct
rw_semaphore *sem)
{
if (!(count & RWSEM_ACTIVE_MASK)) {
/* try acquiring the write lock */
- if (sem->count == RWSEM_WAITING_BIAS &&
- cmpxchg(&sem->count, RWSEM_WAITING_BIAS,
+ if (cmpxchg(&sem->count, RWSEM_WAITING_BIAS,
RWSEM_ACTIVE_WRITE_BIAS) == RWSEM_WAITING_BIAS) {
if (!list_is_singular(&sem->wait_list))
rwsem_atomic_update(RWSEM_WAITING_BIAS, sem);
--
1.9.1
--
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