diff mbox series

[RFC,V2,net-next,11/11] net: add is_valid_ether_addr check in dev_set_mac_address

Message ID 20240813135640.1694993-12-shaojijie@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Add support of HIBMCGE Ethernet Driver | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 29 this patch: 29
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/build_clang success Errors and warnings before: 29 this patch: 29
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 34 this patch: 34
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 79 this patch: 79
netdev/source_inline success Was 0 now: 0

Commit Message

Jijie Shao Aug. 13, 2024, 1:56 p.m. UTC 
core need test the mac_addr not every driver need to do.

Signed-off-by: Jijie Shao <shaojijie@huawei.com>
---
 net/core/dev.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/net/core/dev.c b/net/core/dev.c
index 751d9b70e6ad..ad86b8c939c1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -9087,6 +9087,8 @@  int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa,
 		return -EOPNOTSUPP;
 	if (sa->sa_family != dev->type)
 		return -EINVAL;
+	if (!is_valid_ether_addr(sa->sa_data))
+		return -EADDRNOTAVAIL;
 	if (!netif_device_present(dev))
 		return -ENODEV;
 	err = dev_pre_changeaddr_notify(dev, sa->sa_data, extack);