| Message ID | 20220929224421.587465-7-bvanassche@acm.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Prepare for constifying SCSI host templates | expand |
On 30/09/22 01:44, Bart Van Assche wrote: > Simplify the code for incrementing the SCSI device reference count in > ufshcd_set_dev_pwr_mode(). This patch removes one scsi_device_put() call > that happens from atomic context. > > Cc: Adrian Hunter <adrian.hunter@intel.com> > Cc: Avri Altman <avri.altman@wdc.com> > Signed-off-by: Bart Van Assche <bvanassche@acm.org> Not sure what patch set "v6 6/8" refers to, nevertheless: Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> > --- > drivers/ufs/core/ufshcd.c | 9 ++------- > 1 file changed, 2 insertions(+), 7 deletions(-) > > diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c > index 7c15cbc737b4..6e61372fe027 100644 > --- a/drivers/ufs/core/ufshcd.c > +++ b/drivers/ufs/core/ufshcd.c > @@ -8753,15 +8753,10 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, > > spin_lock_irqsave(hba->host->host_lock, flags); > sdp = hba->ufs_device_wlun; > - if (sdp) { > + if (sdp && scsi_device_online(sdp)) > ret = scsi_device_get(sdp); > - if (!ret && !scsi_device_online(sdp)) { > - ret = -ENODEV; > - scsi_device_put(sdp); > - } > - } else { > + else > ret = -ENODEV; > - } > spin_unlock_irqrestore(hba->host->host_lock, flags); > > if (ret)
On 10/2/22 23:28, Adrian Hunter wrote: > On 30/09/22 01:44, Bart Van Assche wrote: >> Simplify the code for incrementing the SCSI device reference count in >> ufshcd_set_dev_pwr_mode(). This patch removes one scsi_device_put() call >> that happens from atomic context. >> >> Cc: Adrian Hunter <adrian.hunter@intel.com> >> Cc: Avri Altman <avri.altman@wdc.com> >> Signed-off-by: Bart Van Assche <bvanassche@acm.org> > > Not sure what patch set "v6 6/8" refers to, nevertheless: > > Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Hi Adrian, That means that this is the sixth patch of eight in version 6 of the patch series that prepares for constifying the SCSI host template. The entire patch series is available here: https://lore.kernel.org/linux-scsi/20220929224421.587465-1-bvanassche@acm.org/ Anyway, thanks for the review. Bart.
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 7c15cbc737b4..6e61372fe027 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8753,15 +8753,10 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, spin_lock_irqsave(hba->host->host_lock, flags); sdp = hba->ufs_device_wlun; - if (sdp) { + if (sdp && scsi_device_online(sdp)) ret = scsi_device_get(sdp); - if (!ret && !scsi_device_online(sdp)) { - ret = -ENODEV; - scsi_device_put(sdp); - } - } else { + else ret = -ENODEV; - } spin_unlock_irqrestore(hba->host->host_lock, flags); if (ret)
Simplify the code for incrementing the SCSI device reference count in ufshcd_set_dev_pwr_mode(). This patch removes one scsi_device_put() call that happens from atomic context. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Avri Altman <avri.altman@wdc.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- drivers/ufs/core/ufshcd.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)