1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index dce1e9c2cdc0..89cab5798e33 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -83,7 +83,7 @@ MODULE_VERSION(my_VERSION);
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 
-static int mptctl_id = -1;
+static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
 
 static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
 
@@ -2936,7 +2936,8 @@ static int __init mptctl_init(void)
          *  Install our handler
          */
         ++where;
-        if ((mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER)) < 0) {
+        mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER);
+        if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
                 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
                 misc_deregister(&mptctl_miscdev);
                 err = -EBUSY;