1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 56cb49006116..ad87d73f88ee 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3839,7 +3839,7 @@ static int __init st_setup(char *str)
                                         break;
                                 }
                         }
-                        if (i >= sizeof(parms) / sizeof(struct st_dev_parm))
+                        if (i >= ARRAY_SIZE(parms))
                                  printk(KERN_WARNING "st: invalid parameter in '%s'\n",
                                         stp);
                         stp = strchr(stp, ',');