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authorPaolo Bonzini <pbonzini@redhat.com>2017-01-03 18:20:28 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2017-01-16 17:52:35 +0100
commit1f8af0d186abf9ef775a74d41bf2852ed8d59b63 (patch)
treeac3500f35d9d3f8b025b364b8209c127050cab5f /hw/scsi/scsi-disk.c
parent26ef65beab852caf2b1ef4976e3473f2d525164d (diff)
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: 8fdc7839e40f43a426bc7e858cf1dbfe315a3804 Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/scsi-disk.c')
-rw-r--r--hw/scsi/scsi-disk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index bdd1e5f86c..c080888413 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -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;