sfc: Added and removed braces to comply with kernel style

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 9b436f5..75eb0fd 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -639,11 +639,12 @@
 	base_dma = tsoh->dma_addr & PAGE_MASK;
 
 	p = &tx_queue->tso_headers_free;
-	while (*p != NULL)
+	while (*p != NULL) {
 		if (((unsigned long)*p & PAGE_MASK) == base_kva)
 			*p = (*p)->next;
 		else
 			p = &(*p)->next;
+	}
 
 	pci_free_consistent(pci_dev, PAGE_SIZE, (void *)base_kva, base_dma);
 }
@@ -939,9 +940,10 @@
 
 	/* Allocate a DMA-mapped header buffer. */
 	if (likely(TSOH_SIZE(st->p.header_length) <= TSOH_STD_SIZE)) {
-		if (tx_queue->tso_headers_free == NULL)
+		if (tx_queue->tso_headers_free == NULL) {
 			if (efx_tsoh_block_alloc(tx_queue))
 				return -1;
+		}
 		EFX_BUG_ON_PARANOID(!tx_queue->tso_headers_free);
 		tsoh = tx_queue->tso_headers_free;
 		tx_queue->tso_headers_free = tsoh->next;
@@ -1106,9 +1108,10 @@
 {
 	unsigned i;
 
-	if (tx_queue->buffer)
+	if (tx_queue->buffer) {
 		for (i = 0; i <= tx_queue->efx->type->txd_ring_mask; ++i)
 			efx_tsoh_free(tx_queue, &tx_queue->buffer[i]);
+	}
 
 	while (tx_queue->tso_headers_free != NULL)
 		efx_tsoh_block_free(tx_queue, tx_queue->tso_headers_free,