event/dpaa: remove dead code

[ upstream commit fea6787 ]

Fix logical dead code.

Coverity issue: 323495
Fixes: 77b5311 ("event/dpaa: support select based event")

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>

drivers/event/dpaa/dpaa_eventdev.c

@@ -170,7 +170,7 @@ dpaa_event_dequeue_burst(void *port, struct rte_event ev[],
 	int ret;
 	u16 ch_id;
 	void *buffers[8];
-	u32 num_frames, i, irq = 0;
+	u32 num_frames, i;
 	uint64_t cur_ticks = 0, wait_time_ticks = 0;
 	struct dpaa_port *portal = (struct dpaa_port *)port;
 	struct rte_mbuf *mbuf;
@@ -219,8 +219,6 @@ dpaa_event_dequeue_burst(void *port, struct rte_event ev[],
 	do {
 		/* Lets dequeue the frames */
 		num_frames = qman_portal_dequeue(ev, nb_events, buffers);
-		if (irq)
-			irq = 0;
 		if (num_frames)
 			break;
 		cur_ticks = rte_get_timer_cycles();