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* [PATCH v2] net: lan966x: fix parameter check in two functions
@ 2023-07-14  1:22 Minjie Du
  2023-07-14  8:18 ` Horatiu Vultur
  0 siblings, 1 reply; 2+ messages in thread
From: Minjie Du @ 2023-07-14  1:22 UTC (permalink / raw)
  To: dkirjanov, Horatiu Vultur,
	maintainer:MICROCHIP LAN966X ETHERNET DRIVER, David S. Miller,
	Eric Dumazet, Jakub Kicinski, Paolo Abeni, Richard Cochran,
	open list:MICROCHIP LAN966X ETHERNET DRIVER, open list
  Cc: opensource.kernel, Minjie Du

Make IS_ERR_OR_NULL() judge the vcap_get_rule() function return.
in lan966x_ptp_add_trap() and lan966x_ptp_del_trap().

Fixes: 72df3489fb10 ("net: lan966x: Add ptp trap rules")
Signed-off-by: Minjie Du <duminjie@vivo.com>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
index 266a21a2d..59dd14247 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
@@ -59,7 +59,7 @@ static int lan966x_ptp_add_trap(struct lan966x_port *port,
 	int err;
 
 	vrule = vcap_get_rule(lan966x->vcap_ctrl, rule_id);
-	if (vrule) {
+	if (!IS_ERR_OR_NULL(vrule)) {
 		u32 value, mask;
 
 		/* Just modify the ingress port mask and exit */
@@ -106,7 +106,7 @@ static int lan966x_ptp_del_trap(struct lan966x_port *port,
 	int err;
 
 	vrule = vcap_get_rule(lan966x->vcap_ctrl, rule_id);
-	if (!vrule)
+	if (IS_ERR_OR_NULL(vrule))
 		return -EEXIST;
 
 	vcap_rule_get_key_u32(vrule, VCAP_KF_IF_IGR_PORT_MASK, &value, &mask);
-- 
2.39.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v2] net: lan966x: fix parameter check in two functions
  2023-07-14  1:22 [PATCH v2] net: lan966x: fix parameter check in two functions Minjie Du
@ 2023-07-14  8:18 ` Horatiu Vultur
  0 siblings, 0 replies; 2+ messages in thread
From: Horatiu Vultur @ 2023-07-14  8:18 UTC (permalink / raw)
  To: Minjie Du
  Cc: dkirjanov, maintainer:MICROCHIP LAN966X ETHERNET DRIVER,
	David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
	Richard Cochran, open list:MICROCHIP LAN966X ETHERNET DRIVER,
	open list, opensource.kernel

The 07/14/2023 09:22, Minjie Du wrote:

Hi Minjie,

> 
> Make IS_ERR_OR_NULL() judge the vcap_get_rule() function return.
> in lan966x_ptp_add_trap() and lan966x_ptp_del_trap().
> 
> Fixes: 72df3489fb10 ("net: lan966x: Add ptp trap rules")
> Signed-off-by: Minjie Du <duminjie@vivo.com>

You forgot to set the target tree in the subject. You can do that when
you create the patch using the command:
git format-patch ... --subject-prefix "PATCH net" ...

Other than that, it looks OK:
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>

> ---
>  drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
> index 266a21a2d..59dd14247 100644
> --- a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
> +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
> @@ -59,7 +59,7 @@ static int lan966x_ptp_add_trap(struct lan966x_port *port,
>         int err;
> 
>         vrule = vcap_get_rule(lan966x->vcap_ctrl, rule_id);
> -       if (vrule) {
> +       if (!IS_ERR_OR_NULL(vrule)) {
>                 u32 value, mask;
> 
>                 /* Just modify the ingress port mask and exit */
> @@ -106,7 +106,7 @@ static int lan966x_ptp_del_trap(struct lan966x_port *port,
>         int err;
> 
>         vrule = vcap_get_rule(lan966x->vcap_ctrl, rule_id);
> -       if (!vrule)
> +       if (IS_ERR_OR_NULL(vrule))
>                 return -EEXIST;
> 
>         vcap_rule_get_key_u32(vrule, VCAP_KF_IF_IGR_PORT_MASK, &value, &mask);
> --
> 2.39.0
> 
> 

-- 
/Horatiu

^ permalink raw reply	[flat|nested] 2+ messages in thread

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