From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Raja Mani <rmani@qca.qualcomm.com>
Cc: <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] ath6kl: Fix call trace while starting IBSS mode
Date: Sun, 13 Nov 2011 12:27:43 +0200 [thread overview]
Message-ID: <4EBF9B9F.2000307@qca.qualcomm.com> (raw)
In-Reply-To: <1320838343-5708-1-git-send-email-rmani@qca.qualcomm.com>
On 11/09/2011 01:32 PM, Raja Mani wrote:
> When the connect event is received from the target in IBSS mode,
> cfg80211_ibss_joined() is called without informing BSS info to
> cfg80211 layer which internally hits the below WARN_ON message.
>
> WARNING: at net/wireless/ibss.c:33 __cfg80211_ibss_joined+0x153/0x180 [cfg80211]()
> [..]
> [ 4916.845878] Call Trace:
> [ 4916.845889] [<c10427d2>] warn_slowpath_common+0x72/0xa0
> [ 4916.845905] [<f8bccc63>] ? __cfg80211_ibss_joined+0x153/0x180 [cfg80211]
> [ 4916.845918] [<f8bccc63>] ? __cfg80211_ibss_joined+0x153/0x180 [cfg80211]
> [ 4916.845923] [<c1042822>] warn_slowpath_null+0x22/0x30
> [ 4916.845934] [<f8bccc63>] __cfg80211_ibss_joined+0x153/0x180 [cfg80211]
> [ 4916.845941] [<c1025108>] ? default_spin_lock_flags+0x8/0x10
> [ 4916.845952] [<f8bb7fcd>] cfg80211_process_rdev_events+0x19d/0x220 [cfg80211]
> [ 4916.845962] [<f8bb669b>] cfg80211_event_work+0x2b/0x50 [cfg80211]
> [ 4916.845968] [<c105aae6>] process_one_work+0x116/0x3c0
> [ 4916.845977] [<f8bb6670>] ? cfg80211_get_dev_from_info+0x40/0x40 [cfg80211]
> [ 4916.845982] [<c105cdf0>] worker_thread+0x140/0x3b0
> [ 4916.845986] [<c105ccb0>] ? manage_workers+0x1f0/0x1f0
> [ 4916.845991] [<c1060c64>] kthread+0x74/0x80
> [ 4916.845995] [<c1060bf0>] ? kthread_worker_fn+0x160/0x160
> [ 4916.846001] [<c14e7bbe>] kernel_thread_helper+0x6/0x10
> [ 4916.846005] ---[ end trace 769254924e409367 ]---
>
> This patch make sures that BSS info is delivered via cfg80211_inform_bss()
> to cfg80211 in advance before intimating IBSS status to cfg80211.
>
> In addition to this, one debug message is also added to know
> ad-hoc mode status (creator/joiner).
>
> Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Thanks, applied.
Kalle
next prev parent reply other threads:[~2011-11-13 10:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-09 11:32 [PATCH] ath6kl: Fix call trace while starting IBSS mode Raja Mani
2011-11-13 10:27 ` Kalle Valo [this message]
2011-11-13 10:30 ` Kalle Valo
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