[PATCH 1/2] net/idpf: fix overflow on store of single-queue settings

Bruce Richardson bruce.richardson at intel.com
Fri Sep 18 16:47:16 CEST 2026


On Tue, Sep 15, 2026 at 11:41:32AM +0100, Shetty, Praveen wrote:
> The Rx and Tx single queue settings in idpf driver are both boolean values, but the parse_bool function writes to them as int. This causes an extra 3 bytes to be written beyond the variable itself.
> Fix by changing store type to bool.
> 
> Bugzilla ID: 2042
> Fixes: 549343c25db8 ("net/idpf: support device initialization")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com> ===
> Note: this fix is superceded by the kvargs numeric args patchset [1].
> However, that patchset relies on new kvargs features unlikely to be backported, so this standalone fix is useful for backporting or if the whole other set doesn't make the 26.11 release.
> 
> [1] https://patches.dpdk.org/project/dpdk/list/?series=39247
> ---
>  drivers/net/intel/idpf/idpf_ethdev.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/intel/idpf/idpf_ethdev.c b/drivers/net/intel/idpf/idpf_ethdev.c
> index c13505416a..9fd5b28adb 100644
> --- a/drivers/net/intel/idpf/idpf_ethdev.c
> +++ b/drivers/net/intel/idpf/idpf_ethdev.c
> @@ -1247,7 +1247,7 @@ parse_vport(const char *key, const char *value, void *args)  static int  parse_bool(const char *key, const char *value, void *args)  {
> -	int *i = args;
> +	bool *i = args;
>  	char *end;
>  	int num;
>  
> @@ -1261,7 +1261,7 @@ parse_bool(const char *key, const char *value, void *args)
>  		return -EINVAL;
>  	}
>  
> -	*i = num;
> +	*i = (num == 1);
>  	return 0;
>  }
>  
> --
> 
> Looks good to me,
> Acked-by: Praveen Shetty <praveen.shetty at intel.com>
> 
Thanks.

Both patches squashed into one and applied to dpdk-next-net-intel.

/Bruce


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