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authoraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-03-13 03:12:03 +0000
committeraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-03-13 03:12:03 +0000
commit537a1d4bb02b7c5d21c8f3c853f7c7ae3782bc3f (patch)
tree93f68beb4ac7fc625c08cd06a690bf170c0fba0e /tcg/tcg-opc.h
parent610626af30fc142e3d420cbce6ac8bdb70377b50 (diff)
downloadqemu-arm-537a1d4bb02b7c5d21c8f3c853f7c7ae3782bc3f.tar.gz
Fix regression introduced by r6824
The changes introduced by r6824 broke a subtle, and admittedly obscure, aspect of the block API. While bdrv_{pread,pwrite} return the number of bytes read or written upon success, bdrv_{read,write} returns a zero upon success. When using bdrv_pread for bdrv_read, special care must be taken to handle this case. This fixes certain guest images (notably linux-0.2 provided on the qemu website). Reported-by: malc <av1474@comtv.ru> Reported-by: Herve Poussineau <hpoussin@reactos.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6828 c046a42c-6fe2-441c-8c8c-71466251a162
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