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authorUday Shankar <ushankar@purestorage.com>2025-03-12 13:51:46 -0600
committerPaolo Abeni <pabeni@redhat.com>2025-03-19 19:17:58 +0100
commit6d6c1ba7824022528dbe3e283fafbd0775424128 (patch)
tree0887dedc1321e397e52db3e50b2079c2b6c9e75f /net/mac80211/debugfs_sta.c
parent34e5ededf4b8ad4c9e58f0cab8596e26c8fa59a2 (diff)
net, treewide: define and use MAC_ADDR_STR_LEN
There are a few places in the tree which compute the length of the string representation of a MAC address as 3 * ETH_ALEN - 1. Define a constant for this and use it where relevant. No functionality changes are expected. Signed-off-by: Uday Shankar <ushankar@purestorage.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Breno Leitao <leitao@debian.org> Reviewed-by: Simon Horman <horms@verge.net.au> Link: https://patch.msgid.link/20250312-netconsole-v6-1-3437933e79b8@purestorage.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
-rw-r--r--net/mac80211/debugfs_sta.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index a67a9d316008..a8948f4d983e 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -457,11 +457,12 @@ static ssize_t link_sta_addr_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct link_sta_info *link_sta = file->private_data;
- u8 mac[3 * ETH_ALEN + 1];
+ u8 mac[MAC_ADDR_STR_LEN + 2];
snprintf(mac, sizeof(mac), "%pM\n", link_sta->pub->addr);
- return simple_read_from_buffer(userbuf, count, ppos, mac, 3 * ETH_ALEN);
+ return simple_read_from_buffer(userbuf, count, ppos, mac,
+ MAC_ADDR_STR_LEN + 1);
}
LINK_STA_OPS(addr);
@@ -1240,7 +1241,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
struct ieee80211_local *local = sta->local;
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
- u8 mac[3*ETH_ALEN];
+ u8 mac[MAC_ADDR_STR_LEN + 1];
if (!stations_dir)
return;