Messages in this thread Patch in this message | | | From | Bernard Zhao <> | Subject | [PATCH] clk/meson: fixes memleak issue in init err branch | Date | Tue, 28 Apr 2020 20:14:15 -0700 |
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In common init function, when run into err branch, we didn`t use kfree to release kzmalloc area, this may bring in memleak
Signed-off-by: Bernard Zhao <bernard@vivo.com> --- drivers/clk/meson/meson8b.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 34a70c4b4899..0f07d5a4cd16 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -3687,6 +3687,7 @@ static void __init meson8b_clkc_init_common(struct device_node *np, if (ret) { pr_err("%s: Failed to register clkc reset controller: %d\n", __func__, ret); + kfree(rstc); return; } @@ -3710,8 +3711,10 @@ static void __init meson8b_clkc_init_common(struct device_node *np, continue; ret = of_clk_hw_register(np, clk_hw_onecell_data->hws[i]); - if (ret) + if (ret) { + kfree(rstc); return; + } } meson8b_cpu_nb_data.cpu_clk = clk_hw_onecell_data->hws[CLKID_CPUCLK]; @@ -3727,13 +3730,16 @@ static void __init meson8b_clkc_init_common(struct device_node *np, if (ret) { pr_err("%s: failed to register the CPU clock notifier\n", __func__); + kfree(rstc); return; } ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_onecell_data); - if (ret) + if (ret) { pr_err("%s: failed to register clock provider\n", __func__); + kfree(rstc); + } } static void __init meson8_clkc_init(struct device_node *np) -- 2.26.2
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