diff options
| author | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-29 01:31:51 +0000 |
|---|---|---|
| committer | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-29 01:31:51 +0000 |
| commit | 081501daceca74d2091e798d5dcd342c14d66d1a (patch) | |
| tree | 7e34dccda32b400869ea44ba7cb1be1ec6c1e0c4 /hxtool | |
| parent | 999dec57f6c7d75176f981d4b5e4df8c30c1c723 (diff) | |
check for bs->drv in bdrv_flush (Christoph Hellwig)
All the bdrv_ helpers should check for bs->drv being zero as that means
there is no backend image open. bdrv_flush fails to perform that check
and can thus cause NULL pointer dereferences.
Found using qemu-io.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6943 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hxtool')
0 files changed, 0 insertions, 0 deletions