Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 37/60] MIPS: Alchemy: Fix memleak in alchemy_clk_setup_cpu | Date | Mon, 23 Nov 2020 13:22:19 +0100 |
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From: Zhang Qilong <zhangqilong3@huawei.com>
[ Upstream commit ac3b57adf87ad9bac7e33ca26bbbb13fae1ed62b ]
If the clk_register fails, we should free h before function returns to prevent memleak.
Fixes: 474402291a0ad ("MIPS: Alchemy: clock framework integration of onchip clocks") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/mips/alchemy/common/clock.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c index a83c7b7e2eb1f..c5e49bb79c004 100644 --- a/arch/mips/alchemy/common/clock.c +++ b/arch/mips/alchemy/common/clock.c @@ -152,6 +152,7 @@ static struct clk __init *alchemy_clk_setup_cpu(const char *parent_name, { struct clk_init_data id; struct clk_hw *h; + struct clk *clk; h = kzalloc(sizeof(*h), GFP_KERNEL); if (!h) @@ -164,7 +165,13 @@ static struct clk __init *alchemy_clk_setup_cpu(const char *parent_name, id.ops = &alchemy_clkops_cpu; h->init = &id; - return clk_register(NULL, h); + clk = clk_register(NULL, h); + if (IS_ERR(clk)) { + pr_err("failed to register clock\n"); + kfree(h); + } + + return clk; } /* AUXPLLs ************************************************************/ -- 2.27.0
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