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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index eec052c2670a..b7f887c9b0bf 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -3,7 +3,7 @@
* controllers
*
* This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
- * Copyright (C) 2007-2012 LSI Corporation
+ * Copyright (C) 2007-2013 LSI Corporation
* (mailto:DL-MPTFusionLinux@lsi.com)
*
* This program is free software; you can redistribute it and/or
@@ -397,18 +397,22 @@ mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
* This function merely adds a new work task into ioc->firmware_event_thread.
* The tasks are worked from _firmware_event_work in user context.
*
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
+ * Returns void.
*/
-u8
+void
mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
u32 reply)
{
Mpi2EventNotificationReply_t *mpi_reply;
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
+ if (unlikely(!mpi_reply)) {
+ printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
+ ioc->name, __FILE__, __LINE__, __func__);
+ return;
+ }
mpt2sas_ctl_add_to_event_log(ioc, mpi_reply);
- return 1;
+ return;
}
/**