2020-03-30 23:40:51

by John B. Wyatt IV

[permalink] [raw]
Subject: [PATCH v8] staging: vt6656: add error code handling to unused variable

Add error code handling to unused 'ret' variable that was never used.
Return an error code from functions called within vnt_radio_power_on.

Issue reported by coccinelle (coccicheck).

Suggested-by: Quentin Deslandes <[email protected]>
Suggested-by: Stefano Brivio <[email protected]>
Reviewed-by: Quentin Deslandes <[email protected]>
Signed-off-by: John B. Wyatt IV <[email protected]>
---
v8: Fix trailing space reported by checkpatch
Fix alignment issue suggested by:
Stefano Brivio <[email protected]>

v7: Move an if check.
Suggested by Stefano Brivio <[email protected]>

v6: Forgot to add all the v5 code to commit.

v5: Remove Suggested-by: Julia Lawall above seperator line.
Remove break; statement in switch block.
break; removal checked by both gcc compile and checkpatch.
Suggested by Stefano Brivio <[email protected]>

v4: Move Suggested-by: Julia Lawall above seperator line.
Add Reviewed-by tag as requested by Quentin Deslandes.

v3: Forgot to add v2 code changes to commit.

v2: Replace goto statements with return.
Remove last if check because it was unneeded.
Suggested-by: Julia Lawall <[email protected]>

drivers/staging/vt6656/card.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c
index dc3ab10eb630..1ef1f6b22195 100644
--- a/drivers/staging/vt6656/card.c
+++ b/drivers/staging/vt6656/card.c
@@ -723,9 +723,13 @@ int vnt_radio_power_on(struct vnt_private *priv)
{
int ret = 0;

- vnt_exit_deep_sleep(priv);
+ ret = vnt_exit_deep_sleep(priv);
+ if (ret)
+ return ret;

- vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
+ ret = vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
+ if (ret)
+ return ret;

switch (priv->rf_type) {
case RF_AL2230:
@@ -734,14 +738,14 @@ int vnt_radio_power_on(struct vnt_private *priv)
case RF_VT3226:
case RF_VT3226D0:
case RF_VT3342A0:
- vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
- (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
- break;
+ ret = vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
+ (SOFTPWRCTL_SWPE2 |
+ SOFTPWRCTL_SWPE3));
+ if (ret)
+ return ret;
}

- vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);
-
- return ret;
+ return vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);
}

void vnt_set_bss_mode(struct vnt_private *priv)
--
2.25.1


2020-03-31 00:04:56

by Stefano Brivio

[permalink] [raw]
Subject: Re: [PATCH v8] staging: vt6656: add error code handling to unused variable

On Mon, 30 Mar 2020 16:39:00 -0700
"John B. Wyatt IV" <[email protected]> wrote:

> Add error code handling to unused 'ret' variable that was never used.
> Return an error code from functions called within vnt_radio_power_on.
>
> Issue reported by coccinelle (coccicheck).
>
> Suggested-by: Quentin Deslandes <[email protected]>
> Suggested-by: Stefano Brivio <[email protected]>
> Reviewed-by: Quentin Deslandes <[email protected]>
^ This should be dropped unless Quentin agrees to this version as well

> Signed-off-by: John B. Wyatt IV <[email protected]>

Reviewed-by: Stefano Brivio <[email protected]>

--
Stefano

2020-03-31 08:30:33

by Quentin Deslandes

[permalink] [raw]
Subject: Re: [PATCH v8] staging: vt6656: add error code handling to unused variable

On 03/31/20 02:01:03, Stefano Brivio wrote:
> On Mon, 30 Mar 2020 16:39:00 -0700
> "John B. Wyatt IV" <[email protected]> wrote:
>
> > Add error code handling to unused 'ret' variable that was never used.
> > Return an error code from functions called within vnt_radio_power_on.
> >
> > Issue reported by coccinelle (coccicheck).
> >
> > Suggested-by: Quentin Deslandes <[email protected]>
> > Suggested-by: Stefano Brivio <[email protected]>
> > Reviewed-by: Quentin Deslandes <[email protected]>
> ^ This should be dropped unless Quentin agrees to this version as well
>
> > Signed-off-by: John B. Wyatt IV <[email protected]>
>
> Reviewed-by: Stefano Brivio <[email protected]>
>
> --
> Stefano
>

Just reviewed it so John doesn't need to send a v9. Everything seems
good, I'm happy and checkpatch is too.

Reviewed-by: Quentin Deslandes <[email protected]>

Thanks,
Quentin