[rtems commit] posix: Do not touch msg priority in case of error

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    a0d0910765884f6e20311a5ba83bcc9ec73b122a
Changeset: http://git.rtems.org/rtems/commit/?id=a0d0910765884f6e20311a5ba83bcc9ec73b122a

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Oct 20 16:53:04 2017 +0200

posix: Do not touch msg priority in case of error

---

 cpukit/posix/src/mqueuerecvsupp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/cpukit/posix/src/mqueuerecvsupp.c b/cpukit/posix/src/mqueuerecvsupp.c
index f91a513..416e798 100644
--- a/cpukit/posix/src/mqueuerecvsupp.c
+++ b/cpukit/posix/src/mqueuerecvsupp.c
@@ -107,15 +107,15 @@ ssize_t _POSIX_Message_queue_Receive_support(
     &queue_context
   );
 
+  if ( status != STATUS_SUCCESSFUL ) {
+    rtems_set_errno_and_return_minus_one( _POSIX_Get_error( status ) );
+  }
+
   if ( msg_prio != NULL ) {
     *msg_prio = _POSIX_Message_queue_Priority_from_core(
       executing->Wait.count
     );
   }
 
-  if ( status != STATUS_SUCCESSFUL ) {
-    rtems_set_errno_and_return_minus_one( _POSIX_Get_error( status ) );
-  }
-
   return length_out;
 }