ipmi_ssif: remove redundant null check on array client->adapter->name

The null check on client->adapter->name is redundant as name is an
array of I2C_NAME_SIZE chars and hence can never be null. We may as
well remove this redundant check.

Detected by CoverityScan, CID#1375918 ("Array compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>

drivers/char/ipmi/ipmi_ssif.c

@@ -1419,8 +1419,7 @@ static int find_slave_address(struct i2c_client *client, int slave_addr)
 	list_for_each_entry(info, &ssif_infos, link) {
 		if (info->binfo.addr != client->addr)
 			continue;
-		if (info->adapter_name && client->adapter->name &&
-		    strcmp_nospace(info->adapter_name,
+		if (info->adapter_name && strcmp_nospace(info->adapter_name,
 				   client->adapter->name))
 			continue;
 		if (info->slave_addr) {