diff mbox

[5/7] ide: fix TRIM with empty range entry

Message ID 1358177218-16802-6-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini Jan. 14, 2013, 3:26 p.m. UTC 
ATA-ACS-3 says "If the two byte range length is zero, then the LBA
Range Entry shall be discarded as padding."  iovecs are used as if
they are linearized, so it is incorrect to discard the rest of
this iovec.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/ide/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/hw/ide/core.c b/hw/ide/core.c
index 6f1938a..cb77dfc 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -374,7 +374,7 @@  BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs,
             uint16_t count = entry >> 48;
 
             if (count == 0) {
-                break;
+                continue;
             }
 
             ret = bdrv_discard(bs, sector, count);