dataipa: Fixed the mutex locks for ingress and egress

Fixed the logic for ingress and egress to release the mutex
lock in case of failure

Change-Id: Ic6675cb28f974af699cc8a7cd209e4731d95413b

drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c

@@ -2223,6 +2223,7 @@ static int handle3_ingress_format_v2(struct net_device *dev,
 
 			if (rc == -EFAULT) {
 				IPAWANERR("Failed to setup wan/coal cons pipes\n");
+				mutex_unlock(&rmnet_ipa3_ctx->pipe_handle_guard);
 				return rc;
 			}
 
@@ -2300,6 +2301,7 @@ static int handle3_ingress_format_v2(struct net_device *dev,
 		sizeof(struct rmnet_ingress_param) *
 			ingress_ioctl_v2_data.number_of_eps)) {
 		IPAWANERR("Ingress copy to user failed\n");
+		mutex_unlock(&rmnet_ipa3_ctx->pipe_handle_guard);
 		return -EFAULT;
 	}
 
@@ -2523,6 +2525,7 @@ static int handle3_egress_format_v2(struct net_device *dev,
 
 			if (rc == -EFAULT) {
 				IPAWANERR("Failed to setup wan prod pipes\n");
+				mutex_unlock(&rmnet_ipa3_ctx->pipe_handle_guard);
 				return rc;
 			}