diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-10-06 18:06:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-07 13:39:51 +0100 |
| commit | 0a14501ed818ff51eed237bbe5009d0d784e4450 (patch) | |
| tree | 38ecb48669d93876eb747ec0b2e27c2f52563364 /net | |
| parent | 8017c4d8173cfe086420dc5710d631cabd03ef67 (diff) | |
eth: fwnode: remove the addr len from mac helpers
All callers pass in ETH_ALEN and the function itself
will return -EINVAL for any other address length.
Just assume it's ETH_ALEN like all other mac address
helpers (nvm, of, platform).
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ethernet/eth.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 70692f5b514c..29447a61d3ec 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -561,14 +561,11 @@ int nvmem_get_mac_address(struct device *dev, void *addrbuf) EXPORT_SYMBOL(nvmem_get_mac_address); static int fwnode_get_mac_addr(struct fwnode_handle *fwnode, - const char *name, char *addr, int alen) + const char *name, char *addr) { int ret; - if (alen != ETH_ALEN) - return -EINVAL; - - ret = fwnode_property_read_u8_array(fwnode, name, addr, alen); + ret = fwnode_property_read_u8_array(fwnode, name, addr, ETH_ALEN); if (ret) return ret; @@ -581,7 +578,6 @@ static int fwnode_get_mac_addr(struct fwnode_handle *fwnode, * fwnode_get_mac_address - Get the MAC from the firmware node * @fwnode: Pointer to the firmware node * @addr: Address of buffer to store the MAC in - * @alen: Length of the buffer pointed to by addr, should be ETH_ALEN * * Search the firmware node for the best MAC address to use. 'mac-address' is * checked first, because that is supposed to contain to "most recent" MAC @@ -600,11 +596,11 @@ static int fwnode_get_mac_addr(struct fwnode_handle *fwnode, * In this case, the real MAC is in 'local-mac-address', and 'mac-address' * exists but is all zeros. */ -int fwnode_get_mac_address(struct fwnode_handle *fwnode, char *addr, int alen) +int fwnode_get_mac_address(struct fwnode_handle *fwnode, char *addr) { - if (!fwnode_get_mac_addr(fwnode, "mac-address", addr, alen) || - !fwnode_get_mac_addr(fwnode, "local-mac-address", addr, alen) || - !fwnode_get_mac_addr(fwnode, "address", addr, alen)) + if (!fwnode_get_mac_addr(fwnode, "mac-address", addr) || + !fwnode_get_mac_addr(fwnode, "local-mac-address", addr) || + !fwnode_get_mac_addr(fwnode, "address", addr)) return 0; return -ENOENT; @@ -615,10 +611,9 @@ EXPORT_SYMBOL(fwnode_get_mac_address); * device_get_mac_address - Get the MAC for a given device * @dev: Pointer to the device * @addr: Address of buffer to store the MAC in - * @alen: Length of the buffer pointed to by addr, should be ETH_ALEN */ -int device_get_mac_address(struct device *dev, char *addr, int alen) +int device_get_mac_address(struct device *dev, char *addr) { - return fwnode_get_mac_address(dev_fwnode(dev), addr, alen); + return fwnode_get_mac_address(dev_fwnode(dev), addr); } EXPORT_SYMBOL(device_get_mac_address); |