4.19-stable review patch. If anyone has any objections, please let me know.
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From: Ankit Agrawal agrawal.ag.ankit@gmail.com
[ Upstream commit ca140a0dc0a18acd4653b56db211fec9b2339986 ]
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 agrawal.ag.ankit@gmail.com Reviewed-by: Konrad Dybcio konrad.dybcio@linaro.org Link: https://lore.kernel.org/r/20240713095713.GA430091@bnew-VirtualBox Signed-off-by: Daniel Lezcano daniel.lezcano@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 89816f89ff3f4..83385bc431acc 100644 --- a/drivers/clocksource/timer-qcom.c +++ b/drivers/clocksource/timer-qcom.c @@ -242,6 +242,7 @@ 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; } @@ -252,7 +253,11 @@ 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);