Re: [PATCH v2] ipv6/sit: fix ipip6_tunnel_get_prl when memory allocation fails

[David Ahern]

On 6/24/22 11:45 PM, zys.zljxml@xxxxxxxxx wrote:
> From: katrinzhou <katrinzhou@xxxxxxxxxxx>
> 
> Fix an illegal copy_to_user() attempt when the system fails to
> allocate memory for prl due to a lack of memory.
> 
> Addresses-Coverity: ("Unused value")
> Fixes: 300aaeeaab5f ("[IPV6] SIT: Add SIOCGETPRL ioctl to get/dump PRL.")
> Signed-off-by: katrinzhou <katrinzhou@xxxxxxxxxxx>
> ---
> 
> Changes in v2:
> - Move the position of label "out"
> 
>  net/ipv6/sit.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 

Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>