From ca140a0dc0a18acd4653b56db211fec9b2339986 Mon Sep 17 00:00:00 2001 From: Ankit Agrawal Date: Sat, 13 Jul 2024 15:27:13 +0530 Subject: [PATCH] clocksource/drivers/qcom: Add missing iounmap() on errors in msm_dt_timer_init() Add the missing iounmap() when clock frequency fails to get read by the of_property_read_u32() call, or if the call to msm_timer_init() fails. Fixes: 6e3321631ac2 ("ARM: msm: Add DT support to msm_timer") Signed-off-by: Ankit Agrawal Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20240713095713.GA430091@bnew-VirtualBox Signed-off-by: Daniel Lezcano --- drivers/clocksource/timer-qcom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-qcom.c b/drivers/clocksource/timer-qcom.c index b4afe3a67583..eac4c95c6127 100644 --- a/drivers/clocksource/timer-qcom.c +++ b/drivers/clocksource/timer-qcom.c @@ -233,6 +233,7 @@ static int __init msm_dt_timer_init(struct device_node *np) } if (of_property_read_u32(np, "clock-frequency", &freq)) { + iounmap(cpu0_base); pr_err("Unknown frequency\n"); return -EINVAL; } @@ -243,7 +244,11 @@ static int __init msm_dt_timer_init(struct device_node *np) freq /= 4; writel_relaxed(DGT_CLK_CTL_DIV_4, source_base + DGT_CLK_CTL); - return msm_timer_init(freq, 32, irq, !!percpu_offset); + ret = msm_timer_init(freq, 32, irq, !!percpu_offset); + if (ret) + iounmap(cpu0_base); + + return ret; } TIMER_OF_DECLARE(kpss_timer, "qcom,kpss-timer", msm_dt_timer_init); TIMER_OF_DECLARE(scss_timer, "qcom,scss-timer", msm_dt_timer_init);