From: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Date: Fri, 20 Apr 2012 18:33:07 +0000 (-0700)
Subject: ath6kl: unblock fwlog_block_read() on exit
X-Git-Tag: firefly_0821_release~3680^2~2381^2~57^2~287^2~27
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=92ada0468c50eba6546618a643ecd0af7af7435a;p=firefly-linux-kernel-4.4.55.git

ath6kl: unblock fwlog_block_read() on exit

Complete the waiting fwlog_block_read on debugfs cleanup, otherwise
userspace and module unload might softlock.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---

diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index acb6430d8e7e..ced6c6fe5470 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -1824,6 +1824,7 @@ int ath6kl_debug_init_fs(struct ath6kl *ar)
 void ath6kl_debug_cleanup(struct ath6kl *ar)
 {
 	skb_queue_purge(&ar->debug.fwlog_queue);
+	complete(&ar->debug.fwlog_completion);
 	kfree(ar->debug.roam_tbl);
 }