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nl80211: fix path compatibility issue

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The previous shell script implementation accepted shorter path values
that omitted initial parts before the pcie bus node by only checking if
the configured path is included in the determined path
Add support for doing the same thing here

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-06-28 15:30:28 +02:00
parent c0414642fe
commit c9b1672f5a
1 changed files with 11 additions and 1 deletions
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12
iwinfo_nl80211.c
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@ -298,12 +298,18 @@ static int nl80211_phy_idx_from_path(const char *path)
char buf[128];
struct dirent *e;
const char *cur_path;
int cur_path_len;
int path_len;
int idx = -1;
DIR *d;
if (!path)
return -1;
path_len = strlen(path);
if (!path_len)
return -1;
d = opendir("/sys/class/ieee80211");
if (!d)
return -1;
@ -313,7 +319,11 @@ static int nl80211_phy_idx_from_path(const char *path)
if (!cur_path)
continue;
if (strcmp(cur_path, path) != 0)
cur_path_len = strlen(cur_path);
if (cur_path_len < path_len)
continue;
if (strcmp(cur_path + cur_path_len - path_len, path) != 0)
continue;
snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", e->d_name);