net/smc: remove useless smc_ib_devices_list check

The global event handler is created only, if the ib_device has already
been used by at least one link group. It is guaranteed that there exists
the corresponding entry in the smc_ib_devices list. Get rid of this
superfluous check.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/smc/smc_ib.c

@@ -179,8 +179,6 @@ static void smc_ib_global_event_handler(struct ib_event_handler *handler,
 	u8 port_idx;
 
 	smcibdev = container_of(handler, struct smc_ib_device, event_handler);
-	if (!smc_pnet_find_ib(smcibdev->ibdev->name))
-		return;
 
 	switch (ibevent->event) {
 	case IB_EVENT_PORT_ERR:

net/smc/smc_pnet.c

@@ -219,7 +219,7 @@ static bool smc_pnetid_valid(const char *pnet_name, char *pnetid)
 }
 
 /* Find an infiniband device by a given name. The device might not exist. */
-struct smc_ib_device *smc_pnet_find_ib(char *ib_name)
+static struct smc_ib_device *smc_pnet_find_ib(char *ib_name)
 {
 	struct smc_ib_device *ibdev;
 

net/smc/smc_pnet.h

@@ -16,7 +16,6 @@ struct smc_ib_device;
 int smc_pnet_init(void) __init;
 void smc_pnet_exit(void);
 int smc_pnet_remove_by_ibdev(struct smc_ib_device *ibdev);
-struct smc_ib_device *smc_pnet_find_ib(char *ib_name);
 void smc_pnet_find_roce_resource(struct sock *sk,
 				 struct smc_ib_device **smcibdev, u8 *ibport);