From: Roel Kluin <roel.kluin@xxxxxxxxx>
Check whether index is within bounds before testing the element.
declared in drivers/hid/usbhid/hid-core.c:62:
static char *quirks_param[MAX_USBHID_BOOT_QUIRKS] = ...
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
Cc: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/hid/usbhid/hid-quirks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/hid/usbhid/hid-quirks.c~hid-fix-read-buffer-overflow drivers/hid/usbhid/hid-quirks.c
--- a/drivers/hid/usbhid/hid-quirks.c~hid-fix-read-buffer-overflow
+++ a/drivers/hid/usbhid/hid-quirks.c
@@ -201,7 +201,7 @@ int usbhid_quirks_init(char **quirks_par
u32 quirks;
int n = 0, m;
- for (; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
+ for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) {
m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
&idVendor, &idProduct, &quirks);
_
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