* [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting @ 2012-09-19 15:30 Srinivas Pandruvada 2012-09-19 15:30 ` [PATCH 2/2] HID: hid-sensor-hub: Fix sensor_hub_probe error handling Srinivas Pandruvada 2012-09-22 9:35 ` [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting Jonathan Cameron 0 siblings, 2 replies; 4+ messages in thread From: Srinivas Pandruvada @ 2012-09-19 15:30 UTC (permalink / raw) To: jic23; +Cc: jkosina, linux-input, axel.lin From: Axel Lin <[mailto:axel.lin@gmail.com]> Current implementation of hid_hw_start() allows connect_mask to be 0. Setting hdev->claimed = HID_CLAIMED_INPUT before calling hid_hw_start() is not necessary. Remove it. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- drivers/hid/hid-sensor-hub.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 80033dc..ffa91cf 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -530,7 +530,6 @@ static int sensor_hub_probe(struct hid_device *hdev, } INIT_LIST_HEAD(&hdev->inputs); - hdev->claimed = HID_CLAIMED_INPUT; ret = hid_hw_start(hdev, 0); if (ret) { hid_err(hdev, "hw start failed\n"); @@ -618,7 +617,6 @@ static void sensor_hub_remove(struct hid_device *hdev) int i; hid_dbg(hdev, " hardware removed\n"); - hdev->claimed &= ~HID_CLAIMED_INPUT; hid_hw_stop(hdev); hid_hw_close(hdev); spin_lock_irqsave(&data->lock, flags); -- 1.7.11.4 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 2/2] HID: hid-sensor-hub: Fix sensor_hub_probe error handling 2012-09-19 15:30 [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting Srinivas Pandruvada @ 2012-09-19 15:30 ` Srinivas Pandruvada 2012-09-22 9:35 ` Jonathan Cameron 2012-09-22 9:35 ` [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting Jonathan Cameron 1 sibling, 1 reply; 4+ messages in thread From: Srinivas Pandruvada @ 2012-09-19 15:30 UTC (permalink / raw) To: jic23; +Cc: jkosina, linux-input, axel.lin From: Axel Lin <[mailto:axel.lin@gmail.com]> Fix below issues: 1. In the case of goto err_close, hid_hw_stop(hdev) is called twice. Fix it. 2. If fails to allocate MFD device name, we also need to free all successfully allocated names in previous iterations. 3. In sensor_hub_remove(), Call hid_hw_close() before hid_hw_stop(). 4. Adjust unnecessary change lines for hid_err. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- drivers/hid/hid-sensor-hub.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index ffa91cf..1314380 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -555,8 +555,7 @@ static int sensor_hub_probe(struct hid_device *hdev, sizeof(struct mfd_cell), GFP_KERNEL); if (sd->hid_sensor_hub_client_devs == NULL) { - hid_err(hdev, - "Failed to allocate memory for mfd cells\n"); + hid_err(hdev, "Failed to allocate memory for mfd cells\n"); ret = -ENOMEM; goto err_close; } @@ -568,10 +567,9 @@ static int sensor_hub_probe(struct hid_device *hdev, name = kasprintf(GFP_KERNEL, "HID-SENSOR-%x", field->physical); if (name == NULL) { - hid_err(hdev, - "Failed MFD device name\n"); + hid_err(hdev, "Failed MFD device name\n"); ret = -ENOMEM; - goto err_free_cells; + goto err_free_names; } sd->hid_sensor_hub_client_devs[ sd->hid_sensor_client_cnt].name = name; @@ -595,10 +593,8 @@ static int sensor_hub_probe(struct hid_device *hdev, err_free_names: for (i = 0; i < sd->hid_sensor_client_cnt ; ++i) kfree(sd->hid_sensor_hub_client_devs[i].name); -err_free_cells: kfree(sd->hid_sensor_hub_client_devs); err_close: - hid_hw_stop(hdev); hid_hw_close(hdev); err_stop_hw: hid_hw_stop(hdev); @@ -617,8 +613,8 @@ static void sensor_hub_remove(struct hid_device *hdev) int i; hid_dbg(hdev, " hardware removed\n"); - hid_hw_stop(hdev); hid_hw_close(hdev); + hid_hw_stop(hdev); spin_lock_irqsave(&data->lock, flags); if (data->pending.status) complete(&data->pending.ready); -- 1.7.11.4 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH 2/2] HID: hid-sensor-hub: Fix sensor_hub_probe error handling 2012-09-19 15:30 ` [PATCH 2/2] HID: hid-sensor-hub: Fix sensor_hub_probe error handling Srinivas Pandruvada @ 2012-09-22 9:35 ` Jonathan Cameron 0 siblings, 0 replies; 4+ messages in thread From: Jonathan Cameron @ 2012-09-22 9:35 UTC (permalink / raw) To: Srinivas Pandruvada; +Cc: jkosina, linux-input, Axel Lin On 09/19/2012 04:30 PM, Srinivas Pandruvada wrote: > From: Axel Lin <[mailto:axel.lin@gmail.com]> > > Fix below issues: > 1. In the case of goto err_close, hid_hw_stop(hdev) is called twice. Fix it. > 2. If fails to allocate MFD device name, we also need to free all > successfully allocated names in previous iterations. > 3. In sensor_hub_remove(), Call hid_hw_close() before hid_hw_stop(). > 4. Adjust unnecessary change lines for hid_err. > > Signed-off-by: Axel Lin <axel.lin@gmail.com> > Acked-by: Jiri Kosina <jkosina@suse.cz> > Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> added to togreg branch of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git > --- > drivers/hid/hid-sensor-hub.c | 12 ++++-------- > 1 file changed, 4 insertions(+), 8 deletions(-) > > diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c > index ffa91cf..1314380 100644 > --- a/drivers/hid/hid-sensor-hub.c > +++ b/drivers/hid/hid-sensor-hub.c > @@ -555,8 +555,7 @@ static int sensor_hub_probe(struct hid_device *hdev, > sizeof(struct mfd_cell), > GFP_KERNEL); > if (sd->hid_sensor_hub_client_devs == NULL) { > - hid_err(hdev, > - "Failed to allocate memory for mfd cells\n"); > + hid_err(hdev, "Failed to allocate memory for mfd cells\n"); > ret = -ENOMEM; > goto err_close; > } > @@ -568,10 +567,9 @@ static int sensor_hub_probe(struct hid_device *hdev, > name = kasprintf(GFP_KERNEL, "HID-SENSOR-%x", > field->physical); > if (name == NULL) { > - hid_err(hdev, > - "Failed MFD device name\n"); > + hid_err(hdev, "Failed MFD device name\n"); > ret = -ENOMEM; > - goto err_free_cells; > + goto err_free_names; > } > sd->hid_sensor_hub_client_devs[ > sd->hid_sensor_client_cnt].name = name; > @@ -595,10 +593,8 @@ static int sensor_hub_probe(struct hid_device *hdev, > err_free_names: > for (i = 0; i < sd->hid_sensor_client_cnt ; ++i) > kfree(sd->hid_sensor_hub_client_devs[i].name); > -err_free_cells: > kfree(sd->hid_sensor_hub_client_devs); > err_close: > - hid_hw_stop(hdev); > hid_hw_close(hdev); > err_stop_hw: > hid_hw_stop(hdev); > @@ -617,8 +613,8 @@ static void sensor_hub_remove(struct hid_device *hdev) > int i; > > hid_dbg(hdev, " hardware removed\n"); > - hid_hw_stop(hdev); > hid_hw_close(hdev); > + hid_hw_stop(hdev); > spin_lock_irqsave(&data->lock, flags); > if (data->pending.status) > complete(&data->pending.ready); > ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting 2012-09-19 15:30 [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting Srinivas Pandruvada 2012-09-19 15:30 ` [PATCH 2/2] HID: hid-sensor-hub: Fix sensor_hub_probe error handling Srinivas Pandruvada @ 2012-09-22 9:35 ` Jonathan Cameron 1 sibling, 0 replies; 4+ messages in thread From: Jonathan Cameron @ 2012-09-22 9:35 UTC (permalink / raw) To: Srinivas Pandruvada; +Cc: jkosina, linux-input, Axel Lin On 09/19/2012 04:30 PM, Srinivas Pandruvada wrote: > From: Axel Lin <[mailto:axel.lin@gmail.com]> > > Current implementation of hid_hw_start() allows connect_mask to be 0. > Setting hdev->claimed = HID_CLAIMED_INPUT before calling hid_hw_start() > is not necessary. Remove it. > > Signed-off-by: Axel Lin <axel.lin@gmail.com> > Acked-by: Jiri Kosina <jkosina@suse.cz> > Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> added to togreg branch of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git > --- > drivers/hid/hid-sensor-hub.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c > index 80033dc..ffa91cf 100644 > --- a/drivers/hid/hid-sensor-hub.c > +++ b/drivers/hid/hid-sensor-hub.c > @@ -530,7 +530,6 @@ static int sensor_hub_probe(struct hid_device *hdev, > } > INIT_LIST_HEAD(&hdev->inputs); > > - hdev->claimed = HID_CLAIMED_INPUT; > ret = hid_hw_start(hdev, 0); > if (ret) { > hid_err(hdev, "hw start failed\n"); > @@ -618,7 +617,6 @@ static void sensor_hub_remove(struct hid_device *hdev) > int i; > > hid_dbg(hdev, " hardware removed\n"); > - hdev->claimed &= ~HID_CLAIMED_INPUT; > hid_hw_stop(hdev); > hid_hw_close(hdev); > spin_lock_irqsave(&data->lock, flags); > ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-09-22 9:35 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2012-09-19 15:30 [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting Srinivas Pandruvada 2012-09-19 15:30 ` [PATCH 2/2] HID: hid-sensor-hub: Fix sensor_hub_probe error handling Srinivas Pandruvada 2012-09-22 9:35 ` Jonathan Cameron 2012-09-22 9:35 ` [PATCH 1/2] HID: hid-sensor-hub: Remove hdev->claimed setting Jonathan Cameron
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