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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-26 08:43:05 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-26 08:43:05 -0700
commitec3b67c11df42362ccda81261d62829042f223f0 (patch)
treeab66bc43d98e38eda7162f76208993b2280f88f3 /net/core/dev.c
parente868171a94b637158a3930c9adfb448d0df163cd (diff)
parent4be2700fb7b95f2a7cef9324879cafccab8774fc (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (32 commits) [NetLabel]: correct usage of RCU locking [TCP]: fix D-SACK cwnd handling [NET] napi: use non-interruptible sleep in napi_disable [SCTP] net/sctp/auth.c: make 3 functions static [TCP]: Add missing I/O AT code to ipv6 side. [SCTP]: #if 0 sctp_update_copy_cksum() [INET]: Unexport icmpmsg_statistics [NET]: Unexport sock_enable_timestamp(). [TCP]: Make tcp_match_skb_to_sack() static. [IRDA]: Make ircomm_tty static. [NET] fs/proc/proc_net.c: make a struct static [NET] dev_change_name: ignore changes to same name [NET]: Document some simple rules for actions [NET_CLS_ACT]: Use skb_act_clone [NET_CLS_ACT]: Introduce skb_act_clone [TCP]: Fix scatterlist handling in MD5 signature support. [IPSEC]: Fix scatterlist handling in skb_icv_walk(). [IPSEC]: Add missing sg_init_table() calls to ESP. [CRYPTO]: Initialize TCRYPT on-stack scatterlist objects correctly. [CRYPTO]: HMAC needs some more scatterlist fixups. ...
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index f1647d7dd14b..ddfef3b45bab 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -883,6 +883,9 @@ int dev_change_name(struct net_device *dev, char *newname)
if (!dev_valid_name(newname))
return -EINVAL;
+ if (strncmp(newname, dev->name, IFNAMSIZ) == 0)
+ return 0;
+
memcpy(oldname, dev->name, IFNAMSIZ);
if (strchr(newname, '%')) {