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From 5f5c9858af167f842ee8df053920b98387a71af1 Mon Sep 17 00:00:00 2001
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From: John Crispin <john@phrozen.org>
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Date: Mon, 5 Mar 2018 11:41:25 +0100
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Subject: [PATCH 02/27] watchdog: ath79: fix maximum timeout
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If the userland tries to set a timeout higher than the max_timeout,
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then we should fallback to max_timeout.
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Signed-off-by: John Crispin <john@phrozen.org>
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---
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drivers/watchdog/ath79_wdt.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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--- a/drivers/watchdog/ath79_wdt.c
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+++ b/drivers/watchdog/ath79_wdt.c
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@@ -115,10 +115,14 @@ static inline void ath79_wdt_disable(voi
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static int ath79_wdt_set_timeout(int val)
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{
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- if (val < 1 || val > max_timeout)
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+ if (val < 1)
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return -EINVAL;
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- timeout = val;
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+ if (val > max_timeout)
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+ timeout = max_timeout;
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+ else
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+ timeout = val;
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+
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ath79_wdt_keepalive();
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return 0;
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