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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-debugifc.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-debugifc.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c
index e9b11e119f62..4279ebb811a1 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c
@@ -94,8 +94,6 @@ static int debugifc_parse_unsigned_number(const char *buf,unsigned int count,
u32 *num_ptr)
{
u32 result = 0;
- u32 val;
- int ch;
int radix = 10;
if ((count >= 2) && (buf[0] == '0') &&
((buf[1] == 'x') || (buf[1] == 'X'))) {
@@ -107,17 +105,9 @@ static int debugifc_parse_unsigned_number(const char *buf,unsigned int count,
}
while (count--) {
- ch = *buf++;
- if ((ch >= '0') && (ch <= '9')) {
- val = ch - '0';
- } else if ((ch >= 'a') && (ch <= 'f')) {
- val = ch - 'a' + 10;
- } else if ((ch >= 'A') && (ch <= 'F')) {
- val = ch - 'A' + 10;
- } else {
+ int val = hex_to_bin(*buf++);
+ if (val < 0 || val >= radix)
return -EINVAL;
- }
- if (val >= radix) return -EINVAL;
result *= radix;
result += val;
}