From 77f7059a329fc8a514bbcc2f204aaa7c150e8046 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 13 May 2011 18:46:10 +0200 Subject: arch/arm/mach-omap1/dma.c: Invert calls to platform_device_put and platform_device_del Platform_device_del should be called before platform_device_put, as platform_device_put can delete the structure. Additionally, improve the error handling code for the call to ioremap, so that it calls platform_device_put. The semantic match that finds this problem is: (http://coccinelle.lip6.fr/) // @@ expression e1,e2; @@ *platform_device_put(e1); ... when != e1 = e2 *platform_device_del(e1); // Signed-off-by: Julia Lawall Signed-off-by: Tony Lindgren --- arch/arm/mach-omap1/dma.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c index d8559344c6e2..f5a52204b89f 100644 --- a/arch/arm/mach-omap1/dma.c +++ b/arch/arm/mach-omap1/dma.c @@ -284,14 +284,15 @@ static int __init omap1_system_dma_init(void) dma_base = ioremap(res[0].start, resource_size(&res[0])); if (!dma_base) { pr_err("%s: Unable to ioremap\n", __func__); - return -ENODEV; + ret = -ENODEV; + goto exit_device_put; } ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); if (ret) { dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n", __func__, pdev->name, pdev->id); - goto exit_device_del; + goto exit_device_put; } p = kzalloc(sizeof(struct omap_system_dma_plat_info), GFP_KERNEL); @@ -299,7 +300,7 @@ static int __init omap1_system_dma_init(void) dev_err(&pdev->dev, "%s: Unable to allocate 'p' for %s\n", __func__, pdev->name); ret = -ENOMEM; - goto exit_device_put; + goto exit_device_del; } d = kzalloc(sizeof(struct omap_dma_dev_attr), GFP_KERNEL); @@ -380,10 +381,10 @@ exit_release_d: kfree(d); exit_release_p: kfree(p); -exit_device_put: - platform_device_put(pdev); exit_device_del: platform_device_del(pdev); +exit_device_put: + platform_device_put(pdev); return ret; } -- cgit v1.2.2