return errno on open() error

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18906 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/accelerants/atimach64/InitAccelerant.c

@@ -323,7 +323,7 @@ status_t CLONE_ACCELERANT(void *data) {
 	/* open the device, the permissions aren't important */
 	fd = open(path, B_READ_WRITE);
 	if (fd < 0) {
-		result = fd;
+		result = errno;
 		goto error0;
 	}
 

src/add-ons/accelerants/matrox/InitAccelerant.c

@@ -270,7 +270,7 @@ status_t CLONE_ACCELERANT(void *data) {
 		fclose(myhand);
 
 		/* abort with resultcode from open attempt on kerneldriver */
-		result = fd;
+		result = errno;
 		goto error0;
 	}
 

src/add-ons/accelerants/radeon/InitAccelerant.c

@@ -256,7 +256,7 @@ status_t CLONE_ACCELERANT( void *data )
 	// this will probably change once access right are checked properly
 	fd = open(path, B_READ_WRITE);
 	if( fd < 0 )
-		return fd;
+		return errno;
 
 	result = init_common( fd, 1 );
 	if( result != B_OK )

src/add-ons/accelerants/skeleton/InitAccelerant.c

@@ -256,7 +256,7 @@ status_t CLONE_ACCELERANT(void *data) {
 		fclose(myhand);
 
 		/* abort with resultcode from open attempt on kerneldriver */
-		result = fd;
+		result = errno;
 		goto error0;
 	}
 

src/add-ons/accelerants/vesa/accelerant.cpp

@@ -186,7 +186,7 @@ vesa_clone_accelerant(void *info)
 
 	int fd = open(path, B_READ_WRITE);
 	if (fd < 0)
-		return fd;
+		return errno;
 
 	status_t status = init_common(fd, true);
 	if (status != B_OK)