diff options
| author |   Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:26 -0700 |
|---|---|---|
| committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:26 -0700 |
| commit | ee95f4059a833839bf52972191b2d4c3d3cec552 (patch) | |
| tree | a1c8587d9b82e64a75dde376a90a3d69b0f4847a /net/core/dev.c | |
| parent | Merge branch 'for-4.16/dax' into libnvdimm-for-next (diff) | |
| parent | nfit-test: Add platform cap support from ACPI 6.2a to test (diff) | |
| download | linux-dev-ee95f4059a833839bf52972191b2d4c3d3cec552.tar.xz linux-dev-ee95f4059a833839bf52972191b2d4c3d3cec552.zip | |
Merge branch 'for-4.16/nfit' into libnvdimm-for-next
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 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); |