Messages in this thread Patch in this message | | | Date | Wed, 27 Feb 2013 12:52:02 +0800 | From | Chen Gang <> | Subject | [PATCH] drivers/block/xen-blkback: preq.dev is used without initialized |
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if call xen_vbd_translate failed, the preq.dev will be not initialized. so use blkif->vbd.pdevice instead (still better to print relative info).
Signed-off-by: Chen Gang <gang.chen@asianux.com> --- drivers/block/xen-blkback/blkback.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index de1f319..6d1cc3d 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -904,7 +904,8 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, pr_debug(DRV_PFX "access denied: %s of [%llu,%llu] on dev=%04x\n", operation == READ ? "read" : "write", preq.sector_number, - preq.sector_number + preq.nr_sects, preq.dev); + preq.sector_number + preq.nr_sects, + blkif->vbd.pdevice); goto fail_response; } -- 1.7.7.6
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