4 files changed, 7 insertions, 5 deletions
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 8e958087421..9a430734530 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -783,7 +783,7 @@ static struct ccid_operations ccid2 = {
 };
 
 #ifdef CONFIG_IP_DCCP_CCID2_DEBUG
-module_param(ccid2_debug, bool, 0444);
+module_param(ccid2_debug, bool, 0644);
 MODULE_PARM_DESC(ccid2_debug, "Enable debug messages");
 #endif
 
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index f6756e0c9e6..3b8bd7ca676 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -963,7 +963,7 @@ static struct ccid_operations ccid3 = {
 };
 
 #ifdef CONFIG_IP_DCCP_CCID3_DEBUG
-module_param(ccid3_debug, bool, 0444);
+module_param(ccid3_debug, bool, 0644);
 MODULE_PARM_DESC(ccid3_debug, "Enable debug messages");
 #endif
 
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index bcd6ac415bb..5b3ce0688c5 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -67,7 +67,10 @@ static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh)
 	u32 i_i, i_tot0 = 0, i_tot1 = 0, w_tot = 0;
 	int i, k = tfrc_lh_length(lh) - 1; /* k is as in rfc3448bis, 5.4 */
 
-	for (i=0; i <= k; i++) {
+	if (k <= 0)
+		return;
+
+	for (i = 0; i <= k; i++) {
 		i_i = tfrc_lh_get_interval(lh, i);
 
 		if (i < k) {
@@ -78,7 +81,6 @@ static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh)
 			i_tot1 += i_i * tfrc_lh_weights[i-1];
 	}
 
-	BUG_ON(w_tot == 0);
 	lh->i_mean = max(i_tot0, i_tot1) / w_tot;
 }
 
diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c
index 97ecec0a8e7..185916218e0 100644
--- a/net/dccp/ccids/lib/tfrc.c
+++ b/net/dccp/ccids/lib/tfrc.c
@@ -10,7 +10,7 @@
 
 #ifdef CONFIG_IP_DCCP_TFRC_DEBUG
 int tfrc_debug;
-module_param(tfrc_debug, bool, 0444);
+module_param(tfrc_debug, bool, 0644);
 MODULE_PARM_DESC(tfrc_debug, "Enable debug messages");
 #endif