sb1000: fix variable set but not used warnings

GCC 8 complains:

drivers/net/sb1000.c: In function ‘card_send_command’:
drivers/net/sb1000.c:319:14: warning: variable ‘x’ set but not used [-Wunused-but-set-variable]
  int status, x;
              ^
drivers/net/sb1000.c: In function ‘sb1000_check_CRC’:
drivers/net/sb1000.c:493:6: warning: variable ‘crc’ set but not used [-Wunused-but-set-variable]
  int crc, status;
      ^~~

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/sb1000.c b/drivers/net/sb1000.c
index 941cfa8..627b3a4 100644 (file)
--- a/drivers/net/sb1000.c
+++ b/drivers/net/sb1000.c
@@ -316,7 +316,7 @@ static int
 card_send_command(const int ioaddr[], const char* name,
        const unsigned char out[], unsigned char in[])
 {
-       int status, x;
+       int status;
 
        if ((status = card_wait_for_busy_clear(ioaddr, name)))
                return status;
@@ -345,9 +345,7 @@ card_send_command(const int ioaddr[], const char* name,
                                out[0], out[1], out[2], out[3], out[4], out[5]);
        }
 
-       if (out[1] == 0x1b) {
-               x = (out[2] == 0x02);
-       } else {
+       if (out[1] != 0x1b) {
                if (out[0] >= 0x80 && in[0] != (out[1] | 0x80))
                        return -EIO;
        }
@@ -490,14 +488,13 @@ sb1000_check_CRC(const int ioaddr[], const char* name)
        static const unsigned char Command0[6] = {0x80, 0x1f, 0x00, 0x00, 0x00, 0x00};
 
        unsigned char st[7];
-       int crc, status;
+       int status;
 
        /* check CRC */
        if ((status = card_send_command(ioaddr, name, Command0, st)))
                return status;
        if (st[1] != st[3] || st[2] != st[4])
                return -EIO;
-       crc = st[1] << 8 | st[2];
        return 0;
 }