[PATCH AUTOSEL 4.14 28/66] ARM: OMAP2+: Fix memleak in omap2xxx_clkt_vps_init

Sasha Levin
2020-12-23T02:38:55Z

From: Youling Tang <tangyouling@loongson.cn>

[ Upstream commit 3c5902d270edb6ccc3049acfe5d3e96653c87dcd ]

If the clk_register fails, we should free hw before function returns to
prevent memleak.

Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index b64d717bfab6c..45fa2a87d5715 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -247,6 +247,12 @@ void omap2xxx_clkt_vps_init(void)
hw->hw.init = &init;

clk = clk_register(NULL, &hw->hw);
+ if (IS_ERR(clk)) {
+ printk(KERN_ERR "Failed to register clock\n");
+ kfree(hw);
+ return;
+ }
+
clkdev_create(clk, "cpufreq_ck", NULL);
return;
cleanup:
--
2.27.0