updated mutex

Author: rajszym

IntrOS/kernel/src/osmutex.c

@@ -2,7 +2,7 @@
 
     @file    IntrOS: osmutex.c
     @author  Rajmund Szymanski
-    @date    29.08.2018
+    @date    23.10.2018
     @brief   This file provides set of functions for IntrOS.
 
  ******************************************************************************
@@ -49,7 +49,7 @@ void mtx_init( mtx_t *mtx )
 unsigned mtx_take( mtx_t *mtx )
 /* -------------------------------------------------------------------------- */
 {
-	unsigned event;
+	unsigned event = E_FAILURE;
 
 	assert(mtx);
 	assert(mtx->owner != System.cur);
@@ -61,10 +61,6 @@ unsigned mtx_take( mtx_t *mtx )
 			mtx->owner = System.cur;
 			event = E_SUCCESS;
 		}
-		else
-		{
-			event = E_FAILURE;
-		}
 	}
 	sys_unlock();
 
@@ -82,7 +78,7 @@ void mtx_wait( mtx_t *mtx )
 unsigned mtx_give( mtx_t *mtx )
 /* -------------------------------------------------------------------------- */
 {
-	unsigned event;
+	unsigned event = E_FAILURE;
 
 	assert(mtx);
 
@@ -93,10 +89,6 @@ unsigned mtx_give( mtx_t *mtx )
 		    mtx->owner = 0;
 			event = E_SUCCESS;
 		}
-		else
-		{
-			event = E_FAILURE;
-		}
 	}
 	sys_unlock();