block,scsi: fixup blk_get_request dead queue scenarios

[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / drivers / scsi / osst.c

diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 0727ea7cc3874633c863702794a90c36024af98e..dff37a250d7906ab7c203099e6938bd197d1bb04 100644 (file)
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -362,7 +362,7 @@ static int osst_execute(struct osst_request *SRpnt, const unsigned char *cmd,
        int write = (data_direction == DMA_TO_DEVICE);
 
        req = blk_get_request(SRpnt->stp->device->request_queue, write, GFP_KERNEL);
-       if (!req)
+       if (IS_ERR(req))
                return DRIVER_ERROR << 24;
 
        blk_rq_set_block_pc(req);