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path: root/drivers/message/fusion/mptctl.c
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Diffstat (limited to 'drivers/message/fusion/mptctl.c')
-rw-r--r--drivers/message/fusion/mptctl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index dce1e9c2cdc..89cab5798e3 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;