From: Wei Yongjun <yongjun_...@trendmicro.com.cn>

pdata and pdata->regs have been allocated in this function and 
should be freed before leaving it, and in the other error handling
cases too.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
 arch/arm/mach-omap2/gpio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c
index 9ad7d48..3bfa4bb 100644
--- a/arch/arm/mach-omap2/gpio.c
+++ b/arch/arm/mach-omap2/gpio.c
@@ -60,6 +60,7 @@ static int __init omap2_gpio_dev_init(struct omap_hwmod *oh, 
void *unused)
        pdata->regs = kzalloc(sizeof(struct omap_gpio_reg_offs), GFP_KERNEL);
        if (!pdata->regs) {
                pr_err("gpio%d: Memory allocation failed\n", id);
+               kfree(pdata);
                return -ENOMEM;
        }
 
@@ -121,6 +122,7 @@ static int __init omap2_gpio_dev_init(struct omap_hwmod 
*oh, void *unused)
                break;
        default:
                WARN(1, "Invalid gpio bank_type\n");
+               kfree(pdata->regs);
                kfree(pdata);
                return -EINVAL;
        }
@@ -130,6 +132,7 @@ static int __init omap2_gpio_dev_init(struct omap_hwmod 
*oh, void *unused)
 
        pdev = omap_device_build(name, id - 1, oh, pdata,
                                sizeof(*pdata), NULL, 0, false);
+       kfree(pdata->regs);
        kfree(pdata);
 
        if (IS_ERR(pdev)) {


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