2020-08-12 14:38:18

by Bean Huo

[permalink] [raw]
Subject: [PATCH v2 2/2] scsi: ufs: remove several redundant goto statements

From: Bean Huo <[email protected]>

Signed-off-by: Bean Huo <[email protected]>
---
drivers/scsi/ufs/ufshcd.c | 26 +++++---------------------
1 file changed, 5 insertions(+), 21 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e3663b85e8ee..cd742c4f78b6 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4256,10 +4256,8 @@ int ufshcd_make_hba_operational(struct ufs_hba *hba)
dev_err(hba->dev,
"Host controller not ready to process requests");
err = -EIO;
- goto out;
}

-out:
return err;
}
EXPORT_SYMBOL_GPL(ufshcd_make_hba_operational);
@@ -5542,10 +5540,8 @@ static bool ufshcd_quirk_dl_nac_errors(struct ufs_hba *hba)
hba->saved_err &= ~UIC_ERROR;
/* clear NAC error */
hba->saved_uic_err &= ~UFSHCD_UIC_DL_NAC_RECEIVED_ERROR;
- if (!hba->saved_uic_err) {
+ if (!hba->saved_uic_err)
err_handling = false;
- goto out;
- }
}
out:
spin_unlock_irqrestore(hba->host->host_lock, flags);
@@ -7604,12 +7600,10 @@ static int ufshcd_config_vreg(struct device *dev,
if (vreg->min_uV && vreg->max_uV) {
min_uV = on ? vreg->min_uV : 0;
ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
- if (ret) {
+ if (ret)
dev_err(dev,
"%s: %s set voltage failed, err=%d\n",
__func__, name, ret);
- goto out;
- }
}
}
out:
@@ -7672,8 +7666,6 @@ static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on)
goto out;

ret = ufshcd_toggle_vreg(dev, info->vccq2, on);
- if (ret)
- goto out;

out:
if (ret) {
@@ -7719,10 +7711,8 @@ static int ufshcd_init_vreg(struct ufs_hba *hba)
goto out;

ret = ufshcd_get_vreg(dev, info->vccq);
- if (ret)
- goto out;
-
- ret = ufshcd_get_vreg(dev, info->vccq2);
+ if (!ret)
+ ret = ufshcd_get_vreg(dev, info->vccq2);
out:
return ret;
}
@@ -7866,12 +7856,7 @@ static int ufshcd_variant_hba_init(struct ufs_hba *hba)

err = ufshcd_vops_setup_regulators(hba, true);
if (err)
- goto out_exit;
-
- goto out;
-
-out_exit:
- ufshcd_vops_exit(hba);
+ ufshcd_vops_exit(hba);
out:
if (err)
dev_err(hba->dev, "%s: variant %s init failed err %d\n",
@@ -8036,7 +8021,6 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
}

cmd[4] = pwr_mode << 4;
-
/*
* Current function would be generally called from the power management
* callbacks hence set the RQF_PM flag so that it doesn't resume the
--
2.17.1


2020-08-13 15:53:51

by Asutosh Das (asd)

[permalink] [raw]
Subject: Re: [PATCH v2 2/2] scsi: ufs: remove several redundant goto statements

On Wed, Aug 12 2020 at 07:37 -0700, Bean Huo wrote:
>From: Bean Huo <[email protected]>
>
>Signed-off-by: Bean Huo <[email protected]>
>---
> drivers/scsi/ufs/ufshcd.c | 26 +++++---------------------
> 1 file changed, 5 insertions(+), 21 deletions(-)
>
>diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
>index e3663b85e8ee..cd742c4f78b6 100644
>--- a/drivers/scsi/ufs/ufshcd.c
>+++ b/drivers/scsi/ufs/ufshcd.c
>@@ -4256,10 +4256,8 @@ int ufshcd_make_hba_operational(struct ufs_hba *hba)
> dev_err(hba->dev,
> "Host controller not ready to process requests");
> err = -EIO;
>- goto out;
> }
>
>-out:
> return err;
> }
> EXPORT_SYMBOL_GPL(ufshcd_make_hba_operational);
>@@ -5542,10 +5540,8 @@ static bool ufshcd_quirk_dl_nac_errors(struct ufs_hba *hba)
> hba->saved_err &= ~UIC_ERROR;
> /* clear NAC error */
> hba->saved_uic_err &= ~UFSHCD_UIC_DL_NAC_RECEIVED_ERROR;
>- if (!hba->saved_uic_err) {
>+ if (!hba->saved_uic_err)
> err_handling = false;
>- goto out;
>- }
> }
> out:
> spin_unlock_irqrestore(hba->host->host_lock, flags);
>@@ -7604,12 +7600,10 @@ static int ufshcd_config_vreg(struct device *dev,
> if (vreg->min_uV && vreg->max_uV) {
> min_uV = on ? vreg->min_uV : 0;
> ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
>- if (ret) {
>+ if (ret)
> dev_err(dev,
> "%s: %s set voltage failed, err=%d\n",
> __func__, name, ret);
>- goto out;
>- }
> }
> }
> out:
>@@ -7672,8 +7666,6 @@ static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on)
> goto out;
>
> ret = ufshcd_toggle_vreg(dev, info->vccq2, on);
>- if (ret)
>- goto out;
>
> out:
> if (ret) {
>@@ -7719,10 +7711,8 @@ static int ufshcd_init_vreg(struct ufs_hba *hba)
> goto out;
>
> ret = ufshcd_get_vreg(dev, info->vccq);
>- if (ret)
>- goto out;
>-
>- ret = ufshcd_get_vreg(dev, info->vccq2);
>+ if (!ret)
>+ ret = ufshcd_get_vreg(dev, info->vccq2);
> out:
> return ret;
> }
>@@ -7866,12 +7856,7 @@ static int ufshcd_variant_hba_init(struct ufs_hba *hba)
>
> err = ufshcd_vops_setup_regulators(hba, true);
> if (err)
>- goto out_exit;
>-
>- goto out;
>-
>-out_exit:
>- ufshcd_vops_exit(hba);
>+ ufshcd_vops_exit(hba);
> out:
> if (err)
> dev_err(hba->dev, "%s: variant %s init failed err %d\n",
>@@ -8036,7 +8021,6 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
> }
>
> cmd[4] = pwr_mode << 4;
>-
Change LGTM;
Nit-pick, line removed here by mistake, perhaps?

> /*
> * Current function would be generally called from the power management
> * callbacks hence set the RQF_PM flag so that it doesn't resume the
>--
>2.17.1
>

2020-08-14 11:08:42

by Bean Huo

[permalink] [raw]
Subject: Re: [PATCH v2 2/2] scsi: ufs: remove several redundant goto statements

On Thu, 2020-08-13 at 08:52 -0700, Asutosh Das wrote:
> > @@ -8036,7 +8021,6 @@ static int ufshcd_set_dev_pwr_mode(struct
> > ufs_hba *hba,
> > }
> >
> > cmd[4] = pwr_mode << 4;
> > -
>
> Change LGTM;
> Nit-pick, line removed here by mistake, perhaps?

Hi Asutosh
thanks for your review. I add that empty line back, you can check.

thanks,
Bean