diff options
Diffstat (limited to 'drivers/net/wireless/at76c50x-usb.c')
| -rw-r--r-- | drivers/net/wireless/at76c50x-usb.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 298601436ee2..39322d4121b7 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -500,10 +500,9 @@ exit: #define HEX2STR_BUFFERS 4 #define HEX2STR_MAX_LEN 64 -#define BIN2HEX(x) ((x) < 10 ? '0' + (x) : (x) + 'A' - 10) /* Convert binary data into hex string */ -static char *hex2str(void *buf, int len) +static char *hex2str(void *buf, size_t len) { static atomic_t a = ATOMIC_INIT(0); static char bufs[HEX2STR_BUFFERS][3 * HEX2STR_MAX_LEN + 1]; @@ -514,18 +513,17 @@ static char *hex2str(void *buf, int len) if (len > HEX2STR_MAX_LEN) len = HEX2STR_MAX_LEN; - if (len <= 0) { - ret[0] = '\0'; - return ret; - } + if (len == 0) + goto exit; while (len--) { - *obuf++ = BIN2HEX(*ibuf >> 4); - *obuf++ = BIN2HEX(*ibuf & 0xf); + obuf = pack_hex_byte(obuf, *ibuf++); *obuf++ = '-'; - ibuf++; } - *(--obuf) = '\0'; + obuf--; + +exit: + *obuf = '\0'; return ret; } |