From 72bc595afbb236e216360947e6c4921b762e861d Mon Sep 17 00:00:00 2001
From: "Alan C. Assis" <acassis@gmail.com>
Date: Tue, 30 Mar 2021 14:14:46 -0300
Subject: [PATCH] pthread: Fix pthread_rwlock_init return error

The return should be positive like in other parts of pthread code
---
 libs/libc/pthread/pthread_rwlock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/libc/pthread/pthread_rwlock.c b/libs/libc/pthread/pthread_rwlock.c
index d9e915bc59..69b474ac3c 100644
--- a/libs/libc/pthread/pthread_rwlock.c
+++ b/libs/libc/pthread/pthread_rwlock.c
@@ -55,7 +55,7 @@ int pthread_rwlock_init(FAR pthread_rwlock_t *lock,
 
   if (attr != NULL)
     {
-      return -ENOSYS;
+      return ENOSYS;
     }
 
   lock->num_readers       = 0;