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scsi-block: fix direction of BYTCHK test for VERIFY commands 

The direction is wrong; scsi_block_is_passthrough returns
false for commands that *can* use sglists.

Reported-by: Zhang Qian <zhangqian@sangfor.com.cn>
Fixes: 8fdc7839e4
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
master
Paolo Bonzini 2017-01-03 18:20:28 +01:00
parent 26ef65beab
commit 1f8af0d186
1 changed files with 1 additions and 1 deletions
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2
hw/scsi/scsi-disk.c
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@ -2701,7 +2701,7 @@ static bool scsi_block_is_passthrough(SCSIDiskState *s, uint8_t *buf)
* for the number of logical blocks specified in the length
* field). For other modes, do not use scatter/gather operation.
*/
if ((buf[1] & 6) != 2) {
if ((buf[1] & 6) == 2) {
return false;
}
break;