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| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2020-10-20 14:12:26 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-06 14:45:01 +0100 |
| commit | 4cb33d97b067682e4e3c398a57426e4c7e493a3d (patch) | |
| tree | 11a72760f1c184a7f68bade62c2b41ee82ac234a | |
| parent | 8e63266b0d42a2dc233cfc468636889b5b3ba1cf (diff) | |
| download | linux-stable-4cb33d97b067682e4e3c398a57426e4c7e493a3d.tar.gz linux-stable-4cb33d97b067682e4e3c398a57426e4c7e493a3d.tar.bz2 linux-stable-4cb33d97b067682e4e3c398a57426e4c7e493a3d.zip | |
rtc: sun6i: Fix memleak in sun6i_rtc_clk_init
[ Upstream commit 28d211919e422f58c1e6c900e5810eee4f1ce4c8 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/rtc/rtc-sun6i.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c index 2cd5a7b1a2e3..e85abe805606 100644 --- a/drivers/rtc/rtc-sun6i.c +++ b/drivers/rtc/rtc-sun6i.c @@ -232,7 +232,7 @@ 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); @@ -248,7 +248,7 @@ 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, @@ -259,7 +259,7 @@ 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; @@ -268,6 +268,8 @@ 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); } |