commit bece24d1c6e39e5ababd53c8f66b323fd2fab1ef
author Dmitry V. Levin <ldv@altlinux.org> Sun May 29 22:15:53 2016 +0000
committer Dmitry V. Levin <ldv@altlinux.org> Sun May 29 22:15:53 2016 +0000
tree bcc9a388b5f8119f79a35a40c081dfc8ade93fe6
parent 124c17ad3cb50fa01acdf67ea7c302f4b440e6eb

loop.c: optimize decoding of paired ioctls

* loop.c (loop_ioctl): Optimize decoding of LOOP_[GS]ET_STATUS
and LOOP_[GS]ET_STATUS64 ioctl pairs.

loop.c

diff --git a/loop.c b/loop.c
index 26aaca0..178033d 100644
--- a/loop.c
+++ b/loop.c
@@ -146,23 +146,19 @@
 		return RVAL_DECODED;
 
 	switch (code) {
-	case LOOP_SET_STATUS:
-		decode_loop_info(tcp, arg);
-		break;
-
 	case LOOP_GET_STATUS:
 		if (entering(tcp))
 			return 0;
+		/* fall through */
+	case LOOP_SET_STATUS:
 		decode_loop_info(tcp, arg);
 		break;
 
-	case LOOP_SET_STATUS64:
-		decode_loop_info64(tcp, arg);
-		break;
-
 	case LOOP_GET_STATUS64:
 		if (entering(tcp))
 			return 0;
+		/* fall through */
+	case LOOP_SET_STATUS64:
 		decode_loop_info64(tcp, arg);
 		break;