From: Mike Frysinger Date: Mon, 23 Apr 2007 11:54:24 +0000 (+0200) Subject: [patch] use unsigned char in smc91111 driver for mac X-Git-Tag: v1.3.0-rc1~47^2~11^2~1^2~7 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=36f104e5caa747d568eff26b369565af57c2ffa6;p=u-boot [patch] use unsigned char in smc91111 driver for mac the v_mac variable in the smc91111 driver is declared as a signed char ... this causes problems when one of the bytes in the MAC is "signed" like 0xE0 because when it gets printed out, you get a display like: 0xFFFFFFE0 and that's no good Signed-off-by: Mike Frysinger --- diff --git a/drivers/smc91111.c b/drivers/smc91111.c index f91e4b9843..8061f12979 100644 --- a/drivers/smc91111.c +++ b/drivers/smc91111.c @@ -1538,9 +1538,9 @@ int eth_send(volatile void *packet, int length) { int smc_get_ethaddr (bd_t * bd) { int env_size, rom_valid, env_present = 0, reg; - char *s = NULL, *e, *v_mac, es[] = "11:22:33:44:55:66"; + char *s = NULL, *e, es[] = "11:22:33:44:55:66"; char s_env_mac[64]; - uchar v_env_mac[6], v_rom_mac[6]; + uchar v_env_mac[6], v_rom_mac[6], *v_mac; env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac)); if ((env_size > 0) && (env_size < sizeof (es))) { /* exit if env is bad */ @@ -1563,7 +1563,7 @@ int smc_get_ethaddr (bd_t * bd) if (!env_present) { /* if NO env */ if (rom_valid) { /* but ROM is valid */ - v_mac = (char *)v_rom_mac; + v_mac = v_rom_mac; sprintf (s_env_mac, "%02X:%02X:%02X:%02X:%02X:%02X", v_mac[0], v_mac[1], v_mac[2], v_mac[3], v_mac[4], v_mac[5]); @@ -1573,7 +1573,7 @@ int smc_get_ethaddr (bd_t * bd) return (-1); } } else { /* good env, don't care ROM */ - v_mac = (char *)v_env_mac; /* always use a good env over a ROM */ + v_mac = v_env_mac; /* always use a good env over a ROM */ } if (env_present && rom_valid) { /* if both env and ROM are good */