summaryrefslogtreecommitdiff
path: root/iwinfo_nl80211.c
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@nbd.name>2021-06-28 15:30:28 +0200
committerFelix Fietkau <nbd@nbd.name>2021-06-28 15:39:22 +0200
commitc9b1672f5a83c8dcb14fdbaee651f775a7defe52 (patch)
treedd9c837cdc3ea1d6e8125824e48743f8cc11a1f2 /iwinfo_nl80211.c
parentc0414642fead263a4a6a686ad3cb7e965ec8a23a (diff)
downloadiwinfo-c9b1672f5a83c8dcb14fdbaee651f775a7defe52.tar.gz
nl80211: fix path compatibility issue
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>
Diffstat (limited to 'iwinfo_nl80211.c')
-rw-r--r--iwinfo_nl80211.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c
index ef0dffa..c4b0ee2 100644
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -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);