HID: fix overrun in quirks initialization
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@gmail.com> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -201,7 +201,7 @@ int usbhid_quirks_init(char **quirks_param)
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u32 quirks;
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int n = 0, m;
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for (; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
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for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) {
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m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
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&idVendor, &idProduct, &quirks);
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