ck_rwlock: Use sub for unlatch operation.

11 years ago · b7c3c8a43d
parent 3cae483bce
commit b7c3c8a43d
1 changed files with 1 additions and 1 deletions
--- a/include/ck_rwlock.h
+++ b/include/ck_rwlock.h
@ -128,7 +128,7 @@ CK_CC_INLINE static void
 ck_rwlock_write_unlatch(ck_rwlock_t *rw)
 {
-	ck_pr_add_32(&rw->n_readers, 1UL << CK_RWLOCK_LATCH_SHIFT);
+	ck_pr_sub_32(&rw->n_readers, 1UL << CK_RWLOCK_LATCH_SHIFT);
 	return;
 }