diff mbox

[2/7] block: Fix bdrv_open use after free

Message ID 1319632282-22725-3-git-send-email-kwolf@redhat.com
State New
Headers show

Commit Message

Kevin Wolf Oct. 26, 2011, 12:31 p.m. UTC 
tmp_filename was used outside the block it was defined in, i.e. after it went
out of scope. Move its declaration to the top level.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/block.c b/block.c
index 86d450c..9dbb572 100644
--- a/block.c
+++ b/block.c
@@ -571,6 +571,7 @@  int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
               BlockDriver *drv)
 {
     int ret;
+    char tmp_filename[PATH_MAX];
 
     if (flags & BDRV_O_SNAPSHOT) {
         BlockDriverState *bs1;
@@ -578,7 +579,6 @@  int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
         int is_protocol = 0;
         BlockDriver *bdrv_qcow2;
         QEMUOptionParameter *options;
-        char tmp_filename[PATH_MAX];
         char backing_filename[PATH_MAX];
 
         /* if snapshot, we create a temporary backing file and open it