block,scsi: fixup blk_get_request dead queue scenarios

[linux-2.6-block.git] / drivers / scsi / device_handler / scsi_dh_rdac.c

diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 826069db9848e08d1b928986387484f23da5abdb..1b5bc9293e37d416769974055dbe122d38ef0c8c 100644 (file)
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -274,7 +274,7 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
 
        rq = blk_get_request(q, rw, GFP_NOIO);
 
-       if (!rq) {
+       if (IS_ERR(rq)) {
                sdev_printk(KERN_INFO, sdev,
                                "get_rdac_req: blk_get_request failed.\n");
                return NULL;