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	tDon't use values for range or stats when ioctls fail - spoon - dwm status util…
	git clone git://src.adamsgaard.dk/spoon
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	---
	commit 0fb222e9af1375535203f10940071164dfad2d13
	parent 44fc6dd75e411a57fda64db17cc060c6cd49b179
	Author: lostd <[email protected]>
	Date: Wed, 2 Nov 2016 14:53:35 +0100

	Don't use values for range or stats when ioctls fail

	Diffstat:
	M wifi.c \| 8 ++++++--

	1 file changed, 6 insertions(+), 2 deletions(-)
	---
	diff --git a/wifi.c b/wifi.c
	t@@ -144,8 +144,10 @@ wifiread(void arg, char buf, size_t len)
	wrq.u.data.length = sizeof(range);
	memset(&range, 0, sizeof(range));
	ret = ioctl(fd, SIOCGIWRANGE, &wrq);
	- if (ret < 0)
	+ if (ret < 0) {
	warnx("cannot get wifi range");
	+ continue;
	+ }
	memset(&wrq, 0, sizeof(wrq));
	strlcpy(wrq.ifr_name, ifa->ifa_name, IFNAMSIZ);
	wrq.u.data.pointer = &stats;
	t@@ -153,8 +155,10 @@ wifiread(void arg, char buf, size_t len)
	wrq.u.data.flags = 1;
	memset(&stats, 0, sizeof(stats));
	ret = ioctl(fd, SIOCGIWSTATS, &wrq);
	- if (ret < 0)
	+ if (ret < 0) {
	warnx("cannot get wifi stats");
	+ continue;
	+ }
	max_qual = &range.max_qual;
	qual = &stats.qual;
	DPRINTF_U(max_qual->qual);