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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>
This commit is contained in:
Roel Kluin 2009-08-08 02:17:32 +02:00 committed by Jiri Kosina
parent 3c3301083e
commit 44cb2db10d
1 changed files with 1 additions and 1 deletions
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2
drivers/hid/usbhid/hid-quirks.c
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@ -201,7 +201,7 @@ int usbhid_quirks_init(char **quirks_param)
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);