diff options
| -rw-r--r-- | sound/pci/riptide/riptide.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index ad4462677615..59d79962f236 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -97,6 +97,7 @@ #include <linux/gameport.h> #include <linux/device.h> #include <linux/firmware.h> +#include <linux/kernel.h> #include <asm/io.h> #include <sound/core.h> #include <sound/info.h> @@ -667,13 +668,12 @@ static u32 atoh(const unsigned char *in, unsigned int len) unsigned char c; while (len) { + int value; + c = in[len - 1]; - if ((c >= '0') && (c <= '9')) - sum += mult * (c - '0'); - else if ((c >= 'A') && (c <= 'F')) - sum += mult * (c - ('A' - 10)); - else if ((c >= 'a') && (c <= 'f')) - sum += mult * (c - ('a' - 10)); + value = hex_to_bin(c); + if (value >= 0) + sum += mult * value; mult *= 16; --len; } |