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| author | Ryan Harper <ryanh@us.ibm.com> | 2011-03-07 10:01:04 -0600 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-03-15 13:21:14 +0100 |
| commit | 301db7c2dd769d48e97c9a766520f8affff76cd7 (patch) | |
| tree | a6df649573db46c5dfb4025e38269540613ddc01 /hw/ide | |
| parent | 4e59b545868a5ee5f59b346337f0c44209929334 (diff) | |
| download | qemu-301db7c2dd769d48e97c9a766520f8affff76cd7.zip qemu-301db7c2dd769d48e97c9a766520f8affff76cd7.tar.gz qemu-301db7c2dd769d48e97c9a766520f8affff76cd7.tar.bz2 | |
Don't allow multiwrites against a block device without underlying medium
If the block device has been closed, we no longer have a medium to submit
IO against, check for this before submitting io. This prevents a segfault
further in the code where we dereference elements of the block driver.
Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/ide')
0 files changed, 0 insertions, 0 deletions