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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-09-03 20:42:27 +0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-09-10 11:48:30 -0700 |
| commit | 5e40b1c1cc5ae9b949f96d40356afd2a31477365 (patch) | |
| tree | 987c47aba51e8736855c54e48a05b77db8cdd5b9 /arch/arm/mach-omap2/gpio.c | |
| parent | 55d512e245bc7699a8800e23df1a24195dd08217 (diff) | |
| download | op-kernel-dev-5e40b1c1cc5ae9b949f96d40356afd2a31477365.zip op-kernel-dev-5e40b1c1cc5ae9b949f96d40356afd2a31477365.tar.gz | |
gpio/omap: fix possible memory leak in omap2_gpio_dev_init()
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_wei@trendmicro.com.cn>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/gpio.c')
| -rw-r--r-- | arch/arm/mach-omap2/gpio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c index 9ad7d48..fe626e90 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; } |
