xsk: fixed some cases of unnecessary parentheses

Removed some cases of unnecessary parentheses.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

net/xdp/xdp_umem.c

@@ -20,7 +20,7 @@ int xdp_umem_create(struct xdp_umem **umem)
 {
 	*umem = kzalloc(sizeof(**umem), GFP_KERNEL);
 
-	if (!(*umem))
+	if (!*umem)
 		return -ENOMEM;
 
 	return 0;
@@ -247,5 +247,5 @@ int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
 
 bool xdp_umem_validate_queues(struct xdp_umem *umem)
 {
-	return (umem->fq && umem->cq);
+	return umem->fq && umem->cq;
 }

net/xdp/xsk_queue.c

@@ -22,8 +22,7 @@ static u32 xskq_umem_get_ring_size(struct xsk_queue *q)
 
 static u32 xskq_rxtx_get_ring_size(struct xsk_queue *q)
 {
-	return (sizeof(struct xdp_ring) +
-		q->nentries * sizeof(struct xdp_desc));
+	return sizeof(struct xdp_ring) + q->nentries * sizeof(struct xdp_desc);
 }
 
 struct xsk_queue *xskq_create(u32 nentries, bool umem_queue)

net/xdp/xsk_queue.h

@@ -223,12 +223,12 @@ static inline void xskq_produce_flush_desc(struct xsk_queue *q)
 
 static inline bool xskq_full_desc(struct xsk_queue *q)
 {
-	return (xskq_nb_avail(q, q->nentries) == q->nentries);
+	return xskq_nb_avail(q, q->nentries) == q->nentries;
 }
 
 static inline bool xskq_empty_desc(struct xsk_queue *q)
 {
-	return (xskq_nb_free(q, q->prod_tail, 1) == q->nentries);
+	return xskq_nb_free(q, q->prod_tail, 1) == q->nentries;
 }
 
 void xskq_set_umem(struct xsk_queue *q, struct xdp_umem_props *umem_props);