block,scsi: fixup blk_get_request dead queue scenarios

[deliverable/linux.git] / drivers / target / target_core_pscsi.c

diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 943b1dbe859afc1c34ef6c9a7c9cbb2caa091527..70d9f6dabba067b66c8b66fafa79242339315294 100644 (file)
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -1050,7 +1050,7 @@ pscsi_execute_cmd(struct se_cmd *cmd)
                req = blk_get_request(pdv->pdv_sd->request_queue,
                                (data_direction == DMA_TO_DEVICE),
                                GFP_KERNEL);
-               if (!req) {
+               if (IS_ERR(req)) {
                        pr_err("PSCSI: blk_get_request() failed\n");
                        ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                        goto fail;