From: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu, 26 May 2016 12:36:56 +0000 (+0000)
Subject: block.c: optimize decoding of paired ioctls
X-Git-Tag: v4.12~46
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0c9087c1b5bc237801b1e56e4d735a63e27ea50c;p=strace

block.c: optimize decoding of paired ioctls

* block.c (block_ioctl): Optimize decoding of commands that return
a signed int.
---

diff --git a/block.c b/block.c
index 5c81e8d2..b8e2bc53 100644
--- a/block.c
+++ b/block.c
@@ -123,13 +123,6 @@ block_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
 		tprintf(", %lu", arg);
 		break;
 
-	/* take a signed int */
-	case BLKROSET:
-	case BLKBSZSET:
-		tprints(", ");
-		printnum_int(tcp, arg, "%d");
-		break;
-
 	/* return an unsigned short */
 	case BLKSECTGET:
 	case BLKROTATIONAL:
@@ -147,6 +140,10 @@ block_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
 	case BLKDAXGET:
 		if (entering(tcp))
 			return 0;
+		/* fall through */
+	/* take a signed int */
+	case BLKROSET:
+	case BLKBSZSET:
 		tprints(", ");
 		printnum_int(tcp, arg, "%d");
 		break;