From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Wed, 14 Jun 2017 11:10:42 +0200 Subject: [PATCH 1/2] clocksource/drivers/arm_arch_timer: Fix read and iounmap of incorrect variable In-Reply-To: <20170614091021.GG2261@mai> References: <20170614091021.GG2261@mai> Message-ID: <1497431443-14634-1-git-send-email-daniel.lezcano@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Frank Rowand Fix boot warning 'Trying to vfree() nonexistent vm area' from arch_timer_mem_of_init(). Refactored code attempts to read and iounmap using address frame instead of address ioremap(frame->cntbase). Fixes: c389d701dfb70 ("clocksource: arm_arch_timer: split MMIO timer probing.") Signed-off-by: Frank Rowand Reviewed-by: Fu Wei Acked-by: Marc Zyngier Signed-off-by: Daniel Lezcano --- drivers/clocksource/arm_arch_timer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 4bed671..8b5c300 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1209,9 +1209,9 @@ arch_timer_mem_frame_get_cntfrq(struct arch_timer_mem_frame *frame) return 0; } - rate = readl_relaxed(frame + CNTFRQ); + rate = readl_relaxed(base + CNTFRQ); - iounmap(frame); + iounmap(base); return rate; } -- 2.7.4