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authorZhang Qilong <zhangqilong3@huawei.com>2020-11-13 16:16:23 +0300
committerStephen Boyd <sboyd@kernel.org>2020-12-17 12:46:37 +0300
commit8c6239f6e95f583bb763d0228e02d4dd0fb3d492 (patch)
tree14918cdd09a5a9e5ee3ac1ce0fa2683d3913e67b /drivers/clk/ti/fapll.c
parent3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff)
downloadlinux-8c6239f6e95f583bb763d0228e02d4dd0fb3d492.tar.xz
clk: ti: Fix memleak in ti_fapll_synth_setup
If clk_register fails, we should goto free branch before function returns to prevent memleak. Fixes: 163152cbbe321 ("clk: ti: Add support for FAPLL on dm816x") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Link: https://lore.kernel.org/r/20201113131623.2098222-1-zhangqilong3@huawei.com Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/ti/fapll.c')
-rw-r--r--drivers/clk/ti/fapll.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c
index 95e36ba64acc..8024c6d2b9e9 100644
--- a/drivers/clk/ti/fapll.c
+++ b/drivers/clk/ti/fapll.c
@@ -498,6 +498,7 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd,
{
struct clk_init_data *init;
struct fapll_synth *synth;
+ struct clk *clk = ERR_PTR(-ENOMEM);
init = kzalloc(sizeof(*init), GFP_KERNEL);
if (!init)
@@ -520,13 +521,19 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd,
synth->hw.init = init;
synth->clk_pll = pll_clk;
- return clk_register(NULL, &synth->hw);
+ clk = clk_register(NULL, &synth->hw);
+ if (IS_ERR(clk)) {
+ pr_err("failed to register clock\n");
+ goto free;
+ }
+
+ return clk;
free:
kfree(synth);
kfree(init);
- return ERR_PTR(-ENOMEM);
+ return clk;
}
static void __init ti_fapll_setup(struct device_node *node)