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[PATCH v2] iw: Fix bitrate output when no rate info found

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Previously, bitrate showed uninitialized buffer when no rate info found.
This patch fixes the issue.

Signed-off-by: Masashi Honma <masashi.honma@xxxxxxxxx>
---
 station.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/station.c b/station.c
index f3e3da8..4885dc0 100644
--- a/station.c
+++ b/station.c
@@ -151,6 +151,8 @@ void parse_bitrate(struct nlattr *bitrate_attr, char *buf, int buflen)
 	if (rate > 0)
 		pos += snprintf(pos, buflen - (pos - buf),
 				"%d.%d MBit/s", rate / 10, rate % 10);
+	else
+		pos += snprintf(pos, buflen - (pos - buf), "(unknown)");
 
 	if (rinfo[NL80211_RATE_INFO_MCS])
 		pos += snprintf(pos, buflen - (pos - buf),
-- 
2.7.4




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