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authorZhang Qilong <zhangqilong3@huawei.com>2020-11-13 21:16:23 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-12-29 13:42:41 +0100
commitfb7e2c50455c12c7a6cb16adafb881e0736c1ccd (patch)
tree3c24af49f0c8a38bf747f3dea228ff3135a4515c /drivers/clk
parent54729c577c0ae0b34de752b02ece93e3958c6842 (diff)
clk: ti: Fix memleak in ti_fapll_synth_setup
[ Upstream commit 8c6239f6e95f583bb763d0228e02d4dd0fb3d492 ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/clk')
-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 66a0d0ed8b55..02ff499e3653 100644
--- a/drivers/clk/ti/fapll.c
+++ b/drivers/clk/ti/fapll.c
@@ -497,6 +497,7 @@ 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)
@@ -519,13 +520,19 @@ 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)