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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-1008-watchdog-bcm2835-Ignore-params-after-the-partition-n.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-1008-watchdog-bcm2835-Ignore-params-after-the-partition-n.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-1008-watchdog-bcm2835-Ignore-params-after-the-partition-n.patch b/target/linux/bcm27xx/patches-5.4/950-1008-watchdog-bcm2835-Ignore-params-after-the-partition-n.patch
new file mode 100644
index 0000000000..44108ecda5
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-1008-watchdog-bcm2835-Ignore-params-after-the-partition-n.patch
@@ -0,0 +1,29 @@
+From 118538ed52b7dd927226837094d44a5d1cd14ab7 Mon Sep 17 00:00:00 2001
+From: Tim Gover <tim.gover@raspberrypi.org>
+Date: Thu, 22 Oct 2020 15:30:55 +0100
+Subject: [PATCH] watchdog: bcm2835: Ignore params after the
+ partition number
+
+Use sscanf to extract the partition number and ignore extra parameters
+which are only relevant to other reboot notifiers.
+---
+ drivers/watchdog/bcm2835_wdt.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+--- a/drivers/watchdog/bcm2835_wdt.c
++++ b/drivers/watchdog/bcm2835_wdt.c
+@@ -126,10 +126,12 @@ static int bcm2835_restart(struct watchd
+ {
+ struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);
+
+- unsigned long long val;
++ unsigned long val;
+ u8 partition = 0;
+
+- if (data && !kstrtoull(data, 0, &val) && val <= 63)
++ // Allow extra arguments separated by spaces after
++ // the partition number.
++ if (data && sscanf(data, "%lu", &val) && val < 63)
+ partition = val;
+
+ __bcm2835_restart(wdt, partition);