diff mbox series

[1/2] arm: Fix memleak in omap2xxx_clkt_vps_init

Message ID 1605326818-13823-1-git-send-email-tangyouling@loongson.cn (mailing list archive)
State New, archived
Headers show
Series [1/2] arm: Fix memleak in omap2xxx_clkt_vps_init | expand

Commit Message

Youling Tang Nov. 14, 2020, 4:06 a.m. UTC
If the clk_register fails, we should free hw before function returns to
prevent memleak.

Signed-off-by: Youling Tang <tangyouling@loongson.cn>
---
 arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Tony Lindgren Nov. 19, 2020, 9:54 a.m. UTC | #1
* Youling Tang <tangyouling@loongson.cn> [201114 04:07]:
> If the clk_register fails, we should free hw before function returns to
> prevent memleak.

Thanks applying both into omap-for-v5.11/soc.

Tony
diff mbox series

Patch

diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index 2a3e722..70892b3 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -244,6 +244,12 @@  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: