1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index ee161c6ca712..b86db84d6f32 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3870,6 +3870,9 @@ static long pmcraid_ioctl_passthrough(
                         pmcraid_err("couldn't build passthrough ioadls\n");
                         goto out_free_buffer;
                 }
+        } else if (request_size < 0) {
+                rc = -EINVAL;
+                goto out_free_buffer;
         }
 
         /* If data is being written into the device, copy the data from user