[PATCH] rtc: sun6i: fix memory leak
From: Alexandre Belloni <hidden>
Date: 2017-09-27 13:25:25
Also in:
linux-rtc, lkml
From: Alexandre Belloni <hidden>
Date: 2017-09-27 13:25:25
Also in:
linux-rtc, lkml
Hi, On 17/09/2017 at 13:43:10 +0100, Sudip Mukherjee wrote:
If 'clk_data' is not allocated we returned but we failed to free 'rtc'. Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> --- drivers/rtc/rtc-sun6i.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c index 3d2216c..5bc28ee 100644 --- a/drivers/rtc/rtc-sun6i.c +++ b/drivers/rtc/rtc-sun6i.c@@ -201,8 +201,10 @@ static void __init sun6i_rtc_clk_init(struct device_node *node) clk_data = kzalloc(sizeof(*clk_data) + (sizeof(*clk_data->hws) * 2), GFP_KERNEL); - if (!clk_data) + if (!clk_data) { + kfree(rtc); return; + }
Please also fix the other occurrence of the issue in the same function.
spin_lock_init(&rtc->lock); -- 2.7.4
-- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com