RE: [Intel-wired-lan] [PATCH][net-next] ice: fix potential infinite loop

[Bowers, AndrewX]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@xxxxxxxxxx] On
> Behalf Of Colin King
> Sent: Friday, August 2, 2019 8:52 AM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@xxxxxxxxx>; David S . Miller
> <davem@xxxxxxxxxxxxx>; intel-wired-lan@xxxxxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx
> Cc: kernel-janitors@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [Intel-wired-lan] [PATCH][net-next] ice: fix potential infinite loop
> 
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The loop counter of a for-loop is a u8 however this is being compared to an
> int upper bound and this can lead to an infinite loop if the upper bound is
> greater than 255 since the loop counter will wrap back to zero. Fix this
> potential issue by making the loop counter an int.
> 
> Addresses-Coverity: ("Infinite loop")
> Fixes: c7aeb4d1b9bf ("ice: Disable VFs until reset is completed")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/net/ethernet/intel/ice/ice_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Tested-by: Andrew Bowers <andrewx.bowers@xxxxxxxxx>