DGNum/iwinfo
6
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

nl80211: handle netlink errors in nl80211_wait()

Browse source 
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2017-06-26 07:06:40 +02:00
parent d22c64c2eb
commit 7bba117a3a
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
iwinfo_nl80211.c
View file

@ -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;
}