From f026a52d4309e1e08752a8bd41ac74aeea815686 Mon Sep 17 00:00:00 2001 From: Lukasz Majewski Date: Fri, 4 May 2012 14:17:13 +0200 Subject: [PATCH] usb:hsotg:samsung: Add release function for hsotg device Add release function to prevent kernel warning. Kfree is performed when all references are gone. Signed-off-by: Sangwook Lee Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Signed-off-by: Felipe Balbi --- drivers/usb/gadget/s3c-hsotg.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index cd7ae3aef0c0..520dc3db612b 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -3444,10 +3444,22 @@ static void __devexit s3c_hsotg_delete_debug(struct s3c_hsotg *hsotg) debugfs_remove(hsotg->debug_root); } +/** + * s3c_hsotg_release - release callback for hsotg device + * @dev: Device to for which release is called + */ +static void s3c_hsotg_release(struct device *dev) +{ + struct s3c_hsotg *hsotg = dev_get_drvdata(dev); + + kfree(hsotg); +} + /** * s3c_hsotg_probe - probe function for hsotg driver * @pdev: The platform information for the driver */ + static int __devinit s3c_hsotg_probe(struct platform_device *pdev) { struct s3c_hsotg_plat *plat = pdev->dev.platform_data; @@ -3531,6 +3543,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) hsotg->gadget.dev.parent = dev; hsotg->gadget.dev.dma_mask = dev->dma_mask; + hsotg->gadget.dev.release = s3c_hsotg_release; /* reset the system */ @@ -3678,7 +3691,6 @@ static int __devexit s3c_hsotg_remove(struct platform_device *pdev) clk_put(hsotg->clk); device_unregister(&hsotg->gadget.dev); - kfree(hsotg); return 0; } -- 2.30.2