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| author | Jo-Philipp Wich <jo@mein.io> | 2017-06-26 07:06:40 +0200 |
|---|---|---|
| committer | Jo-Philipp Wich <jo@mein.io> | 2017-06-26 07:06:40 +0200 |
| commit | 7bba117a3a80e29d73b03b8a43a183ceca1f80c1 (patch) | |
| tree | 9a3b5a31c0d8b7dd8319a189ade6c1a6fd2756ab /iwinfo_nl80211.c | |
| parent | d22c64c2eb6db3db6aaac5ae270acd63ed088a20 (diff) | |
| download | iwinfo-7bba117a3a80e29d73b03b8a43a183ceca1f80c1.tar.gz | |
nl80211: handle netlink errors in nl80211_wait()
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'iwinfo_nl80211.c')
| -rw-r--r-- | iwinfo_nl80211.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c index 63b70d5..e3a7e4d 100644 --- a/iwinfo_nl80211.c +++ b/iwinfo_nl80211.c @@ -481,6 +481,7 @@ static int nl80211_wait(const char *family, const char *group, int cmd) { struct nl80211_event_conveyor cv = { .wait = cmd }; struct nl_cb *cb; + int err = 0; if (nl80211_subscribe(family, group)) return -ENOENT; @@ -490,15 +491,16 @@ static int nl80211_wait(const char *family, const char *group, int cmd) if (!cb) return -ENOMEM; + nl_cb_err(cb, NL_CB_CUSTOM, nl80211_msg_error, &err); nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, nl80211_wait_seq_check, NULL); nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, nl80211_wait_cb, &cv ); - while (!cv.recv) + while (!cv.recv && !err) nl_recvmsgs(nls->nl_sock, cb); nl_cb_put(cb); - return 0; + return err; } |