[patch] staging: vt6655: check too restrictive (off by one)

[Dan Carpenter]

key_len == MAX_KEY_LEN is valid but we return an error.

Introduced-by: 6b7200fe0a59 ('Staging: vt6655: memory corruption in check in wpa_set_wpadev()')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index ee83704e4401..d43efb85f4d3 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -202,8 +202,8 @@ int wpa_set_keys(PSDevice pDevice, void *ctx, bool fcpfkernel)
 	int uu, ii;
 
 	if (param->u.wpa_key.alg_name > WPA_ALG_CCMP ||
-	    param->u.wpa_key.key_len >= MAX_KEY_LEN ||
-	    param->u.wpa_key.seq_len >= MAX_KEY_LEN)
+	    param->u.wpa_key.key_len > MAX_KEY_LEN ||
+	    param->u.wpa_key.seq_len > MAX_KEY_LEN)
 		return -EINVAL;
 
 	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/