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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 15:00:11 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 15:00:11 +0100
commitc182ce9bc8c85a623c71a23bcd6768045126c289 (patch)
tree73fb6561bbec5d89cba74492c149f3012e275afa /net/core/dev.c
parent2da050e4f151c458df909780843067e7c2d11ec2 (diff)
parenta8750ddca918032d6349adbf9a4b6555e7db20da (diff)
Merge 4.15-rc8 into usb-next
We want the USB fixes in here as well for merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 01ee854454a8..0e0ba36eeac9 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);