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-rw-r--r--net/tipc/eth_media.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 81253d0b24b9..673fdf0b3222 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -142,6 +142,16 @@ static int enable_bearer(struct tipc_bearer *tb_ptr)
struct eth_bearer *eb_ptr = &eth_bearers[0];
struct eth_bearer *stop = &eth_bearers[MAX_ETH_BEARERS];
char *driver_name = strchr((const char *)tb_ptr->name, ':') + 1;
+ int pending_dev = 0;
+
+ /* Find unused Ethernet bearer structure */
+
+ while (eb_ptr->dev) {
+ if (!eb_ptr->bearer)
+ pending_dev++;
+ if (++eb_ptr == stop)
+ return pending_dev ? -EAGAIN : -EDQUOT;
+ }
/* Find device with specified name */