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[Qemu-stable] [PATCH] scsi-block: fix direction of BYTCHK test for VERIF
From: |
Paolo Bonzini |
Subject: |
[Qemu-stable] [PATCH] scsi-block: fix direction of BYTCHK test for VERIFY commands |
Date: |
Tue, 3 Jan 2017 18:22:10 +0100 |
The direction is wrong; scsi_block_is_passthrough returns
false for commands that *can* use sglists.
Reported-by: Zhang Qian <address@hidden>
Fixes: 8fdc7839e40f43a426bc7e858cf1dbfe315a3804
Cc: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi/scsi-disk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index bdd1e5f..c080888 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;
--
2.9.3
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