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| author | Christoph Hellwig <hch@lst.de> | 2009-08-13 16:49:56 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-08-27 20:30:23 -0500 |
| commit | 87b245db05aac9bcdb70a4f0af0fc5f353c5a9f8 (patch) | |
| tree | 276c407258d25658da8d2ee2290a1b716825d3a7 /dma-helpers.c | |
| parent | 5c6c3a6c54b23caa84fb4e046e85a461612279bb (diff) | |
virtio-blk: handle NULL returns from bdrv_aio_{read, write}
The bdrv_aio_{read,write} routines can return a NULL pointer when the
I/O submission fails. Currently we ignore this and will wait forever
for an I/O completion and leading to a hang of the guest.
I can easily reproduce this using the native Linux AIO patch, but it's
also possible using normal pthreads-based AIO.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'dma-helpers.c')
0 files changed, 0 insertions, 0 deletions