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| author | David S. Miller <davem@davemloft.net> | 2018-01-09 18:37:00 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-09 18:37:00 +0300 |
| commit | a0ce093180f2bbb832b3f5583adc640ad67ea568 (patch) | |
| tree | 62c9aca5be3566ea4810e4584a02870de8b953f8 /net/core/dev.c | |
| parent | f4803f1b73f877a571be4c8e531dfcf190acc691 (diff) | |
| parent | ef7f8cec80a0ba7bd00ece46844c8994117dc910 (diff) | |
| download | linux-a0ce093180f2bbb832b3f5583adc640ad67ea568.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index d7925ef8743d..5cb782f074d7 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1146,7 +1146,19 @@ EXPORT_SYMBOL(dev_alloc_name); int dev_get_valid_name(struct net *net, struct net_device *dev, const char *name) { - return dev_alloc_name_ns(net, dev, name); + BUG_ON(!net); + + if (!dev_valid_name(name)) + return -EINVAL; + + if (strchr(name, '%')) + return dev_alloc_name_ns(net, dev, name); + else if (__dev_get_by_name(net, name)) + return -EEXIST; + else if (dev->name != name) + strlcpy(dev->name, name, IFNAMSIZ); + + return 0; } EXPORT_SYMBOL(dev_get_valid_name); |