linux-wireless.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: greearb@candelatech.com
To: linux-wireless@vger.kernel.org
Cc: Ben Greear <greearb@candelatech.com>
Subject: [PATCH] wifi: iwlwifi:  Provide extra info in link related WARN_ON
Date: Mon, 13 Nov 2023 09:52:02 -0800	[thread overview]
Message-ID: <20231113175202.1546994-1-greearb@candelatech.com> (raw)

From: Ben Greear <greearb@candelatech.com>

Provide some extra debug information to better understand why the
warning happened.

Signed-off-by: Ben Greear <greearb@candelatech.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/link.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
index be48b0fc9cb6..a664b7112aee 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -102,8 +102,11 @@ int iwl_mvm_link_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	int ret;
 
 	if (WARN_ON_ONCE(!link_info ||
-			 link_info->fw_link_id == IWL_MVM_FW_LINK_ID_INVALID))
+			 link_info->fw_link_id == IWL_MVM_FW_LINK_ID_INVALID)) {
+		IWL_ERR(mvm, "Invalid info in link-changed, link_info: %p NULL or LINK_ID_INVALID\n",
+			link_info);
 		return -EINVAL;
+	}
 
 	if (changes & LINK_CONTEXT_MODIFY_ACTIVE) {
 		/* When activating a link, phy context should be valid;
-- 
2.41.0


                 reply	other threads:[~2023-11-13 17:52 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231113175202.1546994-1-greearb@candelatech.com \
    --to=greearb@candelatech.com \
    --cc=linux-wireless@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).