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authorSelvin Xavier <selvin.xavier@emulex.com>2014-03-18 14:54:56 +0530
committerRoland Dreier <roland@purestorage.com>2014-04-03 08:30:07 -0700
commit2d8f57d56f5850a75d6225519e77f75ad9949f25 (patch)
tree02d1a468e68125d921f040339892e9fb95d49939 /drivers/infiniband
parent7a1e89d8b793feda96754fd3ba5079c4ba3862ee (diff)
RDMA/ocrdma: Unregister inet notifier when unloading ocrdma
Unregister the inet notifier during ocrdma unload to avoid a panic after driver unload. Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com> Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_main.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 8bd9db689b2f..7c504e079744 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -539,6 +539,11 @@ static void ocrdma_unregister_inet6addr_notifier(void)
#endif
}
+static void ocrdma_unregister_inetaddr_notifier(void)
+{
+ unregister_inetaddr_notifier(&ocrdma_inetaddr_notifier);
+}
+
static int __init ocrdma_init_module(void)
{
int status;
@@ -552,13 +557,19 @@ static int __init ocrdma_init_module(void)
#if IS_ENABLED(CONFIG_IPV6)
status = register_inet6addr_notifier(&ocrdma_inet6addr_notifier);
if (status)
- return status;
+ goto err_notifier6;
#endif
status = be_roce_register_driver(&ocrdma_drv);
if (status)
- ocrdma_unregister_inet6addr_notifier();
+ goto err_be_reg;
+ return 0;
+
+err_be_reg:
+ ocrdma_unregister_inet6addr_notifier();
+err_notifier6:
+ ocrdma_unregister_inetaddr_notifier();
return status;
}
@@ -566,6 +577,7 @@ static void __exit ocrdma_exit_module(void)
{
be_roce_unregister_driver(&ocrdma_drv);
ocrdma_unregister_inet6addr_notifier();
+ ocrdma_unregister_inetaddr_notifier();
ocrdma_rem_debugfs();
}