drivers/media/IR/ir-keytable.c: fix binary search
The input-large-scancode patches changed the binary search in
drivers/media/IR/ir-keytable.c to use unsigned integers, but
signed integers are actually necessary for the algorithm to work.
Signed-off-by: David Härdeman <david@hardeman.nu>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index 9186b45..647d52b 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -325,9 +325,9 @@
static unsigned int ir_lookup_by_scancode(const struct ir_scancode_table *rc_tab,
unsigned int scancode)
{
- unsigned int start = 0;
- unsigned int end = rc_tab->len - 1;
- unsigned int mid;
+ int start = 0;
+ int end = rc_tab->len - 1;
+ int mid;
while (start <= end) {
mid = (start + end) / 2;