SNC handles are positive numbers, all handles are valid with the sole
exception of handle 0x0. This patch fixes sony_find_snc_handle, now
using unsigned int for the handle variable and returning -1 when
argument its value is 0x0.
Signed-off-by: Marco Chiappero <marco@xxxxxxxxxx>
---
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -811,12 +811,12 @@ static int sony_nc_handles_cleanup(struc
return 0;
}
-static int sony_find_snc_handle(int handle)
+static int sony_find_snc_handle(unsigned int handle)
{
int i;
- /* not initialized yet, return early */
- if (!handles)
+ /* not initialized yet or invalid handle, return early */
+ if (!handles || !handle)
return -1;
for (i = 0; i < 0x10; i++) {
--
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