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authorFelix Fietkau <nbd@openwrt.org>2016-01-21 13:28:25 +0000
committerFelix Fietkau <nbd@openwrt.org>2016-01-21 13:28:25 +0000
commitc26dec971e91e15adfd6d88d541ae9feb10f741b (patch)
treee66edefb3e7d467f488b87f1c8523983683e61fb /target
parentc5db626ac5a979662b5a6ad1ab5a066626b45481 (diff)
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x86: fix kernel crash on geode devices (#21667)
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48428
Diffstat (limited to 'target')
-rw-r--r--target/linux/x86/patches-4.4/100-fix_cs5535_clockevt.patch12
1 files changed, 12 insertions, 0 deletions
diff --git a/target/linux/x86/patches-4.4/100-fix_cs5535_clockevt.patch b/target/linux/x86/patches-4.4/100-fix_cs5535_clockevt.patch
new file mode 100644
index 0000000..c49ddca
--- /dev/null
+++ b/target/linux/x86/patches-4.4/100-fix_cs5535_clockevt.patch
@@ -0,0 +1,12 @@
+--- a/drivers/clocksource/cs5535-clockevt.c
++++ b/drivers/clocksource/cs5535-clockevt.c
+@@ -129,7 +129,8 @@ static irqreturn_t mfgpt_tick(int irq, v
+ cs5535_mfgpt_write(cs5535_event_clock, MFGPT_REG_SETUP,
+ MFGPT_SETUP_CNTEN | MFGPT_SETUP_CMP2);
+
+- cs5535_clockevent.event_handler(&cs5535_clockevent);
++ if (cs5535_clockevent.event_handler)
++ cs5535_clockevent.event_handler(&cs5535_clockevent);
+ return IRQ_HANDLED;
+ }
+