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[wpan-tools,v2,1/7] iwpan: Fix the channels printing

Message ID 20220112173529.765170-2-miquel.raynal@bootlin.com (mailing list archive)
State Not Applicable
Delegated to: Johannes Berg
Headers show
Series IEEE 802.15.4 scan support | expand

Commit Message

Miquel Raynal Jan. 12, 2022, 5:35 p.m. UTC 
From: Romuald Despres <Romuald.Despres@qorvo.com>

The presence of a channel capability is checked against the tb_msg
netlink attributes array which is the root one, while here we are
looking for channel capabilities, themselves being nested and parsed
into tb_caps. Use tb_caps instead of tb_msg here otherwise we are
accessing a random index in the upper attributes list.

Signed-off-by: Romuald Despres <Romuald.Despres@qorvo.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 src/info.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/src/info.c b/src/info.c
index f85690c..8ed5e4f 100644
--- a/src/info.c
+++ b/src/info.c
@@ -342,7 +342,7 @@  static int print_phy_handler(struct nl_msg *msg, void *arg)
 			printf("\b \n");
 		}
 
-		if (tb_msg[NL802154_CAP_ATTR_CHANNELS]) {
+		if (tb_caps[NL802154_CAP_ATTR_CHANNELS]) {
 			int counter = 0;
 			int rem_pages;
 			struct nlattr *nl_pages;