wpa_ctrl_request will block for up to 10 seconds while waiting for the reply,
but when this function call select is interrupted, re-assign the timeout parameter to 10s,
which will cause the time to exceed 10s;
if it is interrupted all the time, this function may block for a very long time
Signed-off-by: Xinpeng Wang <wangxinpeng@xxxxxxxxxxxxx>
Signed-off-by: xinpeng wang <wangxinpeng@xxxxxxxxxxxxx>
---
src/common/wpa_ctrl.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/common/wpa_ctrl.c b/src/common/wpa_ctrl.c
index 40a979531..2d6f2bd06 100644
--- a/src/common/wpa_ctrl.c
+++ b/src/common/wpa_ctrl.c
@@ -539,9 +539,9 @@ retry_send:
}
os_free(cmd_buf);
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
for (;;) {
- tv.tv_sec = 10;
- tv.tv_usec = 0;
FD_ZERO(&rfds);
FD_SET(ctrl->s, &rfds);
res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv);
@@ -567,6 +567,8 @@ retry_send:
reply[res] = '\0';
msg_cb(reply, res);
}
+ tv.tv_sec = 10;
+ tv.tv_usec = 0;
continue;
}
*reply_len = res;
--
2.20.1
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