fix unused parameter warning in realtek_dump_regs()

This fixes:
  external/ethtool/realtek.c:244:43: error: unused parameter 'info' [-Werror,-Wunused-parameter]
  realtek_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I62fa7dbb66d5ae545272b41538198787dbbfbe25
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/realtek.c b/realtek.c
index e437466..d10cfd4 100644
--- a/realtek.c
+++ b/realtek.c
@@ -241,7 +241,8 @@ print_intr_bits(u16 mask)
 }
 
 int
-realtek_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+realtek_dump_regs(struct ethtool_drvinfo *info maybe_unused,
+		  struct ethtool_regs *regs)
 {
 	u32 *data = (u32 *) regs->data;
 	u8 *data8 = (u8 *) regs->data;