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[Qemu-devel] [PATCH v7] block/vvfat: assert return value of fopen which
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH v7] block/vvfat: assert return value of fopen which may fail |
Date: |
Mon, 18 Aug 2014 16:00:31 +0800 |
From: Li Liu <address@hidden>
fopen() may return NULL which will cause setbuf() segmentfault
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Li Liu <address@hidden>
---
block/vvfat.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/vvfat.c b/block/vvfat.c
index 70176b1..62023e1 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1084,6 +1084,7 @@ static int vvfat_open(BlockDriverState *bs, QDict
*options, int flags,
DLOG(if (stderr == NULL) {
stderr = fopen("vvfat.log", "a");
+ assert(stderr);
setbuf(stderr, NULL);
})
--
1.7.12.4
- [Qemu-devel] [PATCH v7] block/vvfat: assert return value of fopen which may fail,
zhanghailiang <=