This patch fixes a panic at mptctl_probe -> mutex_init if the mptsas and mptcl module are loaded in parallel, this is because IOC is NULL, the fix is in mpt_device_register to call probe only with non-zero IOC pointer.
signed-off-by: Sathya Prakash <sathya.prakash@xxxxxxx>
---
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index d733438..042bc86 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -729,6 +729,8 @@ mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
/* call per pci device probe entry point */
list_for_each_entry(ioc, &ioc_list, list) {
+ if (!pci_get_drvdata(ioc->pcidev))
+ continue;
id = ioc->pcidev->driver ?
ioc->pcidev->driver->id_table : NULL;
if (dd_cbfunc->probe)
-
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