From: David Vrabel <david.vrabel@csr.com>
Date: Fri, 23 Jan 2009 12:57:20 +0000 (+0000)
Subject: uwb: lock rc->rsvs_lock with spin_lock_bh()
X-Git-Tag: firefly_0821_release~15677^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8f5140a6a0b1a9aa79585b0008e88c5d266c5c1d;p=firefly-linux-kernel-4.4.55.git

uwb: lock rc->rsvs_lock with spin_lock_bh()

rc->rsvs_lock may be taken in a timer so lock it with spin_lock_bh().

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---

diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c
index 2b4f9406789d..4f5ca99a04b9 100644
--- a/drivers/uwb/drp.c
+++ b/drivers/uwb/drp.c
@@ -66,14 +66,14 @@ static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg,
 	} else
 		dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: timeout\n");
 
-	spin_lock(&rc->rsvs_lock);
+	spin_lock_bh(&rc->rsvs_lock);
 	if (rc->set_drp_ie_pending > 1) {
 		rc->set_drp_ie_pending = 0;
 		uwb_rsv_queue_update(rc);	
 	} else {
 		rc->set_drp_ie_pending = 0;	
 	}
-	spin_unlock(&rc->rsvs_lock);
+	spin_unlock_bh(&rc->rsvs_lock);
 }
 
 /**
diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c
index 886f977cd2ea..6b76f4bb4cc7 100644
--- a/drivers/uwb/rsv.c
+++ b/drivers/uwb/rsv.c
@@ -870,7 +870,7 @@ void uwb_rsv_queue_update(struct uwb_rc *rc)
  */
 void uwb_rsv_sched_update(struct uwb_rc *rc)
 {
-	spin_lock(&rc->rsvs_lock);
+	spin_lock_bh(&rc->rsvs_lock);
 	if (!delayed_work_pending(&rc->rsv_update_work)) {
 		if (rc->set_drp_ie_pending > 0) {
 			rc->set_drp_ie_pending++;
@@ -879,7 +879,7 @@ void uwb_rsv_sched_update(struct uwb_rc *rc)
 		uwb_rsv_queue_update(rc);
 	}
 unlock:
-	spin_unlock(&rc->rsvs_lock);
+	spin_unlock_bh(&rc->rsvs_lock);
 }
 
 /*