diff --git a/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c b/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
index de5d8d7ac681..5cc4a5e02ade 100644
--- a/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
+++ b/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
@@ -2095,6 +2095,8 @@ static int ipa3_wwan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		/* Get MTU */
 		case RMNET_IOCTL_GET_MTU:
 			mux_channel = rmnet_ipa3_ctx->mux_channel;
+			ext_ioctl_data.u.mtu_params.if_name
+				[IFNAMSIZ-1] = '\0';
 			rmnet_index =
 				find_vchannel_name_index(ext_ioctl_data.u.mtu_params.if_name);
 
@@ -2115,6 +2117,8 @@ static int ipa3_wwan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		/* Set MTU */
 		case RMNET_IOCTL_SET_MTU:
 			mux_channel = rmnet_ipa3_ctx->mux_channel;
+			ext_ioctl_data.u.mtu_params.if_name
+				[IFNAMSIZ-1] = '\0';
 			rmnet_index =
 				find_vchannel_name_index(ext_ioctl_data.u.mtu_params.if_name);