From: Vidisha Thapa <thapa.v@samsung.com>
Date: Fri, 2 Jun 2017 07:04:16 +0000 (+0530)
Subject: pthread :checking for invalid rwlock parameters
X-Git-Tag: 1.1_Public_Release~465^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fad7bc13da59dbcd16cd235219e888a891fa6ba0;p=rtos%2Ftinyara.git

pthread :checking for invalid rwlock parameters

This patch adds check for invalid rwlock initialization parameters.

Change-Id: Ifaf2654a72b0f67b354c742a8bfc230e23e4ad57
Signed-off-by: jc_.kim <jc_.kim@samsung.com>
---

diff --git a/lib/libc/pthread/pthread_rwlock.c b/lib/libc/pthread/pthread_rwlock.c
index 665767d..4c09979 100644
--- a/lib/libc/pthread/pthread_rwlock.c
+++ b/lib/libc/pthread/pthread_rwlock.c
@@ -71,8 +71,12 @@ int pthread_rwlock_init(FAR pthread_rwlock_t *lock, FAR const pthread_rwlockattr
 {
 	int err;
 
+	if (lock == NULL) {
+		return EINVAL;
+	}
+
 	if (attr != NULL) {
-		return -ENOSYS;
+		return ENOSYS;
 	}
 
 	lock->num_readers = 0;