github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

rtc: sun6i: Fix memleak in sun6i_rtc_clk_init

Browse Source 
When clk_hw_register_fixed_rate_with_accuracy() fails,
clk_data should be freed. It's the same for the subsequent
two error paths, but we should also unregister the already
registered clocks in them.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201020061226.6572-1-dinghao.liu@zju.edu.cn
This commit is contained in:
Dinghao Liu 2020-10-20 14:12:26 +08:00 committed by Alexandre Belloni
parent ba1c30bf3f
commit 28d211919e
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/rtc/rtc-sun6i.c
View File

@ -272,7 +272,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
300000000);
if (IS_ERR(rtc->int_osc)) {
pr_crit("Couldn't register the internal oscillator\n");
return;
goto err;
}
parents[0] = clk_hw_get_name(rtc->int_osc);
@ -290,7 +290,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
rtc->losc = clk_register(NULL, &rtc->hw);
if (IS_ERR(rtc->losc)) {
pr_crit("Couldn't register the LOSC clock\n");
return;
goto err_register;
}
of_property_read_string_index(node, "clock-output-names", 1,
@ -301,7 +301,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
&rtc->lock);
if (IS_ERR(rtc->ext_losc)) {
pr_crit("Couldn't register the LOSC external gate\n");
return;
goto err_register;
}
clk_data->num = 2;
@ -314,6 +314,8 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
return;
err_register:
clk_hw_unregister_fixed_rate(rtc->int_osc);
err:
kfree(clk_data);
}