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Fix: block instrumentation 4.14+ NULL pointer dereference
[lttng-modules.git]
/
wrapper
/
writeback.h
diff --git
a/wrapper/writeback.h
b/wrapper/writeback.h
index 492cb75f94a5ac7a2e15c670ff33b559ed5c6dbe..cdcbd58444e0efbd8c3cca8cea04d6332c83f540 100644
(file)
--- a/
wrapper/writeback.h
+++ b/
wrapper/writeback.h
@@
-28,7
+28,7
@@
#ifdef CONFIG_KALLSYMS_ALL
#include <linux/kallsyms.h>
#ifdef CONFIG_KALLSYMS_ALL
#include <linux/kallsyms.h>
-#include
"kallsyms.h"
+#include
<wrapper/kallsyms.h>
static unsigned long *global_dirty_limit_sym;
static unsigned long *global_dirty_limit_sym;
@@
-41,7
+41,7
@@
unsigned long wrapper_global_dirty_limit(void)
if (global_dirty_limit_sym) {
return *global_dirty_limit_sym;
} else {
if (global_dirty_limit_sym) {
return *global_dirty_limit_sym;
} else {
- printk(KERN_WARNING "LTTng: global_dirty_limit symbol lookup failed.\n");
+ printk
_once
(KERN_WARNING "LTTng: global_dirty_limit symbol lookup failed.\n");
return 0;
}
}
return 0;
}
}
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