From 0e4e26b870c71a531a8e710c925b72f49d1b4592 Mon Sep 17 00:00:00 2001 From: "cwc22@centipede.cl.cam.ac.uk" Date: Tue, 19 Apr 2005 00:03:29 +0000 Subject: [PATCH] bitkeeper revision 1.1324 (42644ad1aeFq3LcHbilUBO0afwrj8g) blkback.c: fix to error handling for bad grant refs Signed-off-by: Christopher Clark --- linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c b/linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c index 3c23e57ae6..51f4c0b9af 100644 --- a/linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c +++ b/linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c @@ -397,7 +397,7 @@ static void dispatch_probe(blkif_t *blkif, blkif_request_t *req) GNTTABOP_map_grant_ref, &op, 1))) BUG(); - if ( op.u.map_grant_ref.dev_bus_addr == 0 ) + if ( op.u.map_grant_ref.handle < 0 ) goto out; pending_handle(pending_idx, 0) = op.u.map_grant_ref.handle; @@ -500,7 +500,7 @@ static void dispatch_rw_block_io(blkif_t *blkif, blkif_request_t *req) for ( i = 0; i < nseg; i++ ) { - if ( unlikely(aop[i].u.map_grant_ref.dev_bus_addr == 0) ) + if ( unlikely(aop[i].u.map_grant_ref.handle < 0) ) { DPRINTK("invalid buffer -- could not remap it\n"); fast_flush_area(pending_idx, nseg); -- 2.30.2