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Revision 7403b14e

ID7403b14eeb4670d54497284b110ca3e3be4a99a4

Added by aliguori about 11 years ago

Fix DMA API when handling an immediate error from block layer (Avi Kivity)

The block layer may signal an immediate error on an asynchronous request
by returning NULL. The DMA API did not handle this correctly, returning
an AIO request which would never complete (and which would crash if
cancelled).

Fix by detecting the failure and propagating it.

Signed-off-by: Avi Kivity <>
Signed-off-by: Anthony Liguori <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6893 c046a42c-6fe2-441c-8c8c-71466251a162

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