Hi Cyril,
Thanks for your patch.
> Check that the array indexes are in-bounds before accessing the rate2 and tmp
> arrays.
>
> Found with the following semantic patch:
>
> <smpl>
> @@
> identifier t;
> identifier idx;
> expression E;
> statement S;
> @@
> * for (... ; <+... t[idx] ...+> && idx < E ; ...)
> S
> </smpl>
>
> Signed-off-by: Cyril Roelandt <tipecaml@xxxxxxxxx>
Acked-by: Bing Zhao <bzhao@xxxxxxxxxxx>
Thanks,
Bing
> ---
> drivers/net/wireless/mwifiex/join.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
> index 893d809..f0a634d 100644
> --- a/drivers/net/wireless/mwifiex/join.c
> +++ b/drivers/net/wireless/mwifiex/join.c
> @@ -157,8 +157,8 @@ static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1,
>
> memset(rate1, 0, rate1_size);
>
> - for (i = 0; rate2[i] && i < rate2_size; i++) {
> - for (j = 0; tmp[j] && j < rate1_size; j++) {
> + for (i = 0; i < rate2_size && rate2[i]; i++) {
> + for (j = 0; j < rate1_size && tmp[j]; j++) {
> /* Check common rate, excluding the bit for
> basic rate */
> if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) {
> --
> 1.7.10.4
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