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Subject: [media] timblogiw: Introduce the use of the managed version of kzalloc Author: Himangi Saraogi <[email protected]> Date: Wed May 7 01:44:18 2014 -0300 This patch moves data allocated using kzalloc to managed data allocated using devm_kzalloc and cleans now unnecessary kfrees in probe and remove functions.The label err_register is removed as it is no longer required. The following Coccinelle semantic patch was used for making the change: @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) ... ?-kfree(e); ...+> } @rem depends on prb@ identifier platform.removefn; expression e; @@ removefn(...) { <... - kfree(e); ...> } Signed-off-by: Himangi Saraogi <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/timblogiw.c | 8 ++------ 1 files changed, 2 insertions(+), 6 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=30616fff6591167bf6eab8a67df74aa212a08d03 diff --git a/drivers/media/platform/timblogiw.c b/drivers/media/platform/timblogiw.c index ccdadd6..fbfdada 100644 --- a/drivers/media/platform/timblogiw.c +++ b/drivers/media/platform/timblogiw.c @@ -800,7 +800,7 @@ static int timblogiw_probe(struct platform_device *pdev) if (!pdata->encoder.module_name) dev_info(&pdev->dev, "Running without decoder\n"); - lw = kzalloc(sizeof(*lw), GFP_KERNEL); + lw = devm_kzalloc(&pdev->dev, sizeof(*lw), GFP_KERNEL); if (!lw) { err = -ENOMEM; goto err; @@ -820,7 +820,7 @@ static int timblogiw_probe(struct platform_device *pdev) strlcpy(lw->v4l2_dev.name, DRIVER_NAME, sizeof(lw->v4l2_dev.name)); err = v4l2_device_register(NULL, &lw->v4l2_dev); if (err) - goto err_register; + goto err; lw->video_dev.v4l2_dev = &lw->v4l2_dev; @@ -837,8 +837,6 @@ static int timblogiw_probe(struct platform_device *pdev) err_request: v4l2_device_unregister(&lw->v4l2_dev); -err_register: - kfree(lw); err: dev_err(&pdev->dev, "Failed to register: %d\n", err); @@ -853,8 +851,6 @@ static int timblogiw_remove(struct platform_device *pdev) v4l2_device_unregister(&lw->v4l2_dev); - kfree(lw); - return 0; } _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
