dataplane/xen-block: remove dead code

The if() statement is clearly bogus (dead code which should have been
cleaned up when grant mapping was removed).

Spotted by Coverity: CID 1398635

While in the neighbourhood, add a missing 'fall through' annotation.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20190215162533.19475-2-paul.durrant@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
This commit is contained in:
Paul Durrant 2019-02-15 16:25:31 +00:00 committed by Anthony PERARD
parent 711d13d5e2
commit e02d94941d

View File

@ -281,10 +281,6 @@ static void xen_block_complete_aio(void *opaque, int ret)
break;
case BLKIF_OP_WRITE:
case BLKIF_OP_FLUSH_DISKCACHE:
if (!request->req.nr_segments) {
break;
}
break;
default:
break;
}
@ -298,6 +294,7 @@ static void xen_block_complete_aio(void *opaque, int ret)
if (!request->req.nr_segments) {
break;
}
/* fall through */
case BLKIF_OP_READ:
if (request->status == BLKIF_RSP_OKAY) {
block_acct_done(blk_get_stats(dataplane->blk), &request->acct);