lkml.org 
[lkml]   [2016]   [Nov]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] Staging:media:davinci_vpfe: used devm_kzalloc in place of kzalloc
Switch to resource-managed function devm_kzalloc instead
of kzolloc and remove unneeded kzfree

Also, remove kzfree in probe function and remove
function,vpfe_remove as it is now has nothing to do.
The Coccinelle semantic patch used to make this change is as follows:
/<smpl>
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};

@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kzfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression prb.e;
@@
removefn(...) {
<...
- kzfree(e);
...>
}
//</smpl>

Signed-off-by: Nadim Almas <nadim.902@gmail.com>
---
drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
index bf077f8..cd44f0f 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.c
@@ -579,7 +579,7 @@ static int vpfe_probe(struct platform_device *pdev)
struct resource *res1;
int ret = -ENOMEM;

- vpfe_dev = kzalloc(sizeof(*vpfe_dev), GFP_KERNEL);
+ vpfe_dev = devm_kzalloc(&pdev->dev, sizeof(*vpfe_dev), GFP_KERNEL);
if (!vpfe_dev)
return ret;

@@ -681,7 +681,6 @@ static int vpfe_probe(struct platform_device *pdev)
probe_disable_clock:
vpfe_disable_clock(vpfe_dev);
probe_free_dev_mem:
- kzfree(vpfe_dev);

return ret;
}
@@ -702,7 +701,6 @@ static int vpfe_remove(struct platform_device *pdev)
v4l2_device_unregister(&vpfe_dev->v4l2_dev);
media_device_unregister(&vpfe_dev->media_dev);
vpfe_disable_clock(vpfe_dev);
- kzfree(vpfe_dev);

return 0;
}
--
2.7.4
\
 
 \ /
  Last update: 2016-11-02 07:14    [W:0.036 / U:1.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site