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authorKevin Wolf <kwolf@redhat.com>2014-11-20 16:27:11 +0100
committerKevin Wolf <kwolf@redhat.com>2014-12-10 10:31:12 +0100
commit7cddd3728e964164e99c59e5c9443508d9ee0161 (patch)
treefec4adc1f623e1b87851c59a819af623b2342664 /dma-helpers.c
parentc6684249fd35f7e692bcf3039d2fc4b13dd32308 (diff)
downloadhqemu-7cddd3728e964164e99c59e5c9443508d9ee0161.zip
hqemu-7cddd3728e964164e99c59e5c9443508d9ee0161.tar.gz
block: Read only one sector for format probing
The only image format driver that even potentially accesses anything after 512 bytes in its bdrv_probe() implementation is VMDK, which reads a plain-text descriptor file. In practice, the field it's looking for seems to come first and will be well within the first 512 bytes, too. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1416497234-29880-7-git-send-email-kwolf@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'dma-helpers.c')
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