Re: [PATCH 1/3] drm/msm: dsi host: add missing of_node_put()

2015-06-22 Thread Archit Taneja


On 06/22/2015 09:30 PM, Srinivas Kandagatla wrote:



On 22/06/15 15:54, Archit Taneja wrote:

Decrement device node refcount if of_get_child_by_name is successfully
called.

Signed-off-by: Archit Taneja 
---
  drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..1751659 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1582,6 +1582,8 @@ int msm_dsi_host_register(struct mipi_dsi_host
*host, bool check_defer)
  node = of_get_child_by_name(msm_host->pdev->dev.of_node,
  "panel");
  if (node) {
+of_node_put(node);
+


Atleast from the current state of code, It looks like the driver is
going to refer to the node of_node_put?, So I think this is not the
right place to have of_node_put.


That's right. I made the same mistake in the later patches too. I'll fix 
these.


Thanks,
Archit

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Re: [PATCH 1/3] drm/msm: dsi host: add missing of_node_put()

2015-06-22 Thread Srinivas Kandagatla



On 22/06/15 15:54, Archit Taneja wrote:

Decrement device node refcount if of_get_child_by_name is successfully
called.

Signed-off-by: Archit Taneja 
---
  drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c 
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..1751659 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1582,6 +1582,8 @@ int msm_dsi_host_register(struct mipi_dsi_host *host, 
bool check_defer)
node = of_get_child_by_name(msm_host->pdev->dev.of_node,
"panel");
if (node) {
+   of_node_put(node);
+


Atleast from the current state of code, It looks like the driver is 
going to refer to the node of_node_put?, So I think this is not the 
right place to have of_node_put.




 >   if (!of_drm_find_panel(node))

return -EPROBE_DEFER;
}


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[PATCH 1/3] drm/msm: dsi host: add missing of_node_put()

2015-06-22 Thread Archit Taneja
Decrement device node refcount if of_get_child_by_name is successfully
called.

Signed-off-by: Archit Taneja 
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c 
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..1751659 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1582,6 +1582,8 @@ int msm_dsi_host_register(struct mipi_dsi_host *host, 
bool check_defer)
node = of_get_child_by_name(msm_host->pdev->dev.of_node,
"panel");
if (node) {
+   of_node_put(node);
+
if (!of_drm_find_panel(node))
return -EPROBE_DEFER;
}
-- 
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hosted by The Linux Foundation

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Re: [PATCH 1/3] drm/msm: dsi host: add missing of_node_put()

2015-06-22 Thread Srinivas Kandagatla



On 22/06/15 15:54, Archit Taneja wrote:

Decrement device node refcount if of_get_child_by_name is successfully
called.

Signed-off-by: Archit Taneja arch...@codeaurora.org
---
  drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c 
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..1751659 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1582,6 +1582,8 @@ int msm_dsi_host_register(struct mipi_dsi_host *host, 
bool check_defer)
node = of_get_child_by_name(msm_host-pdev-dev.of_node,
panel);
if (node) {
+   of_node_put(node);
+


Atleast from the current state of code, It looks like the driver is 
going to refer to the node of_node_put?, So I think this is not the 
right place to have of_node_put.




if (!of_drm_find_panel(node))

return -EPROBE_DEFER;
}


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[PATCH 1/3] drm/msm: dsi host: add missing of_node_put()

2015-06-22 Thread Archit Taneja
Decrement device node refcount if of_get_child_by_name is successfully
called.

Signed-off-by: Archit Taneja arch...@codeaurora.org
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c 
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..1751659 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1582,6 +1582,8 @@ int msm_dsi_host_register(struct mipi_dsi_host *host, 
bool check_defer)
node = of_get_child_by_name(msm_host-pdev-dev.of_node,
panel);
if (node) {
+   of_node_put(node);
+
if (!of_drm_find_panel(node))
return -EPROBE_DEFER;
}
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

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Re: [PATCH 1/3] drm/msm: dsi host: add missing of_node_put()

2015-06-22 Thread Archit Taneja


On 06/22/2015 09:30 PM, Srinivas Kandagatla wrote:



On 22/06/15 15:54, Archit Taneja wrote:

Decrement device node refcount if of_get_child_by_name is successfully
called.

Signed-off-by: Archit Taneja arch...@codeaurora.org
---
  drivers/gpu/drm/msm/dsi/dsi_host.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index de04009..1751659 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1582,6 +1582,8 @@ int msm_dsi_host_register(struct mipi_dsi_host
*host, bool check_defer)
  node = of_get_child_by_name(msm_host-pdev-dev.of_node,
  panel);
  if (node) {
+of_node_put(node);
+


Atleast from the current state of code, It looks like the driver is
going to refer to the node of_node_put?, So I think this is not the
right place to have of_node_put.


That's right. I made the same mistake in the later patches too. I'll fix 
these.


Thanks,
Archit

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
Please read the FAQ at  http://www.tux.org/lkml/