Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/media/video/usbvideo/usbvideo.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c
index 5ac37c6..f1fcf97 100644
--- a/drivers/media/video/usbvideo/usbvideo.c
+++ b/drivers/media/video/usbvideo/usbvideo.c
@@ -282,19 +282,15 @@ static void usbvideo_OverlayChar(struct uvd *uvd, struct usbvideo_frame *frame,
};
unsigned short digit;
int ix, iy;
+ int value;
if ((uvd == NULL) || (frame == NULL))
return;
- if (ch >= '0' && ch <= '9')
- ch -= '0';
- else if (ch >= 'A' && ch <= 'F')
- ch = 10 + (ch - 'A');
- else if (ch >= 'a' && ch <= 'f')
- ch = 10 + (ch - 'a');
- else
+ value = hex_to_bin(ch);
+ if (value < 0)
return;
- digit = digits[ch];
+ digit = digits[value];
for (iy=0; iy < 5; iy++) {
for (ix=0; ix < 3; ix++) {
--
1.7.1.1
--
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