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block: Fix bdrv_open use after free 

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>
This commit is contained in:
Kevin Wolf 2011-10-26 11:03:01 +02:00
parent 3574c60819
commit 2b5728164f
1 changed files with 1 additions and 1 deletions
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2
block.c
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@ -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