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nl80211: simplify iterating over phy's devices

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There's no need to iterate over all devices in /sys/class/net and check
if the phy index matches, sysfs already provides per phy devices.

Signed-off-by: Andre Heider <a.heider@gmail.com>
This commit is contained in:
Andre Heider 2022-12-24 11:53:36 +01:00 • committed by Christian Marangi
parent acbf4fe47d
commit 6194aaf052
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GPG key ID: AC001D09ADBFEAD7
1 changed files with 9 additions and 12 deletions
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21
iwinfo_nl80211.c
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@ -826,24 +826,21 @@ static char * nl80211_phy2ifname(const char *ifname)
memset(nif, 0, sizeof(nif));
if ((d = opendir("/sys/class/net")) != NULL)
snprintf(buffer, sizeof(buffer),
"/sys/class/ieee80211/phy%d/device/net", phyidx);
if ((d = opendir(buffer)) != NULL)
{
while ((e = readdir(d)) != NULL)
{
snprintf(buffer, sizeof(buffer),
"/sys/class/net/%s/phy80211/index", e->d_name);
"/sys/class/net/%s/ifindex", e->d_name);
if (nl80211_readint(buffer) == phyidx)
if ((cifidx = nl80211_readint(buffer)) >= 0 &&
((ifidx < 0) || (cifidx < ifidx)))
{
snprintf(buffer, sizeof(buffer),
"/sys/class/net/%s/ifindex", e->d_name);
if ((cifidx = nl80211_readint(buffer)) >= 0 &&
((ifidx < 0) || (cifidx < ifidx)))
{
ifidx = cifidx;
strncpy(nif, e->d_name, sizeof(nif) - 1);
}
ifidx = cifidx;
strncpy(nif, e->d_name, sizeof(nif) - 1);
}
}