net: stmmac: remove unused variable in sysfs_display_ring

The u64 x variable in sysfs_display_ring is unused.
This patch remove it.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c5dc3f944da6be34438894d8be00756d25c61160..d1b2e1ec7c6e327005ed580e448393708dbdaf33 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2893,9 +2893,7 @@ static void sysfs_display_ring(void *head, int size, int extend_desc,
        struct dma_desc *p = (struct dma_desc *)head;
 
        for (i = 0; i < size; i++) {
-               u64 x;
                if (extend_desc) {
-                       x = *(u64 *) ep;
                        seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
                                   i, (unsigned int)virt_to_phys(ep),
                                   le32_to_cpu(ep->basic.des0),
@@ -2904,7 +2902,6 @@ static void sysfs_display_ring(void *head, int size, int extend_desc,
                                   le32_to_cpu(ep->basic.des3));
                        ep++;
                } else {
-                       x = *(u64 *) p;
                        seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
                                   i, (unsigned int)virt_to_phys(ep),
                                   le32_to_cpu(p->des0), le32_to_cpu(p->des1),