qemu/0225-linux-user-Remove-redundant-null-check-and-replace-f.patch

From 755055c908ccda2dd9410bb1bde1f3621017fb0c Mon Sep 17 00:00:00 2001
From: Stefan Weil <sw@weilnetz.de>
Date: Tue, 4 Sep 2012 22:14:19 +0200
Subject: [PATCH] linux-user: Remove redundant null check and replace free by
 g_free

Report from smatch:

linux-user/syscall.c:3632 do_ioctl_dm(220) info:
 redundant null check on big_buf calling free()

'big_buf' was allocated by g_malloc0, therefore free was also
replaced by g_free.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
(cherry picked from commit ad11ad77748bdd8016370db210751683dc038dd6)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 linux-user/syscall.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6257a04..471d060 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3628,9 +3628,7 @@ static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
         unlock_user(argptr, arg, target_size);
     }
 out:
-    if (big_buf) {
-        free(big_buf);
-    }
+    g_free(big_buf);
     return ret;
 }
 
-- 
1.8.0.2