X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=lib%2Ffault-inject.c;h=f97af55bdd969bfe0303903be7f561fd15a79a58;hb=f6490438fce5902f840d1f0f905295077c635e7a;hp=b18fc2ff9ffea5df3d3377fc092bb8306d556fd2;hpb=f697b677620d04d8c77841745727de85f7e948b1;p=karo-tx-linux.git

diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index b18fc2ff9ffe..f97af55bdd96 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -6,7 +6,6 @@
 #include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
-#include <linux/unwind.h>
 #include <linux/stacktrace.h>
 #include <linux/kallsyms.h>
 #include <linux/fault-inject.h>
@@ -134,21 +133,26 @@ bool should_fail(struct fault_attr *attr, ssize_t size)
 
 #ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
 
-static void debugfs_ul_set(void *data, u64 val)
+static int debugfs_ul_set(void *data, u64 val)
 {
 	*(unsigned long *)data = val;
+	return 0;
 }
 
-static void debugfs_ul_set_MAX_STACK_TRACE_DEPTH(void *data, u64 val)
+#ifdef CONFIG_FAULT_INJECTION_STACKTRACE_FILTER
+static int debugfs_ul_set_MAX_STACK_TRACE_DEPTH(void *data, u64 val)
 {
 	*(unsigned long *)data =
 		val < MAX_STACK_TRACE_DEPTH ?
 		val : MAX_STACK_TRACE_DEPTH;
+	return 0;
 }
+#endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */
 
-static u64 debugfs_ul_get(void *data)
+static int debugfs_ul_get(void *data, u64 *val)
 {
-	return *(unsigned long *)data;
+	*val = *(unsigned long *)data;
+	return 0;
 }
 
 DEFINE_SIMPLE_ATTRIBUTE(fops_ul, debugfs_ul_get, debugfs_ul_set, "%llu\n");
@@ -159,6 +163,7 @@ static struct dentry *debugfs_create_ul(const char *name, mode_t mode,
 	return debugfs_create_file(name, mode, parent, value, &fops_ul);
 }
 
+#ifdef CONFIG_FAULT_INJECTION_STACKTRACE_FILTER
 DEFINE_SIMPLE_ATTRIBUTE(fops_ul_MAX_STACK_TRACE_DEPTH, debugfs_ul_get,
 			debugfs_ul_set_MAX_STACK_TRACE_DEPTH, "%llu\n");
 
@@ -169,15 +174,18 @@ static struct dentry *debugfs_create_ul_MAX_STACK_TRACE_DEPTH(
 	return debugfs_create_file(name, mode, parent, value,
 				   &fops_ul_MAX_STACK_TRACE_DEPTH);
 }
+#endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */
 
-static void debugfs_atomic_t_set(void *data, u64 val)
+static int debugfs_atomic_t_set(void *data, u64 val)
 {
 	atomic_set((atomic_t *)data, val);
+	return 0;
 }
 
-static u64 debugfs_atomic_t_get(void *data)
+static int debugfs_atomic_t_get(void *data, u64 *val)
 {
-	return atomic_read((atomic_t *)data);
+	*val = atomic_read((atomic_t *)data);
+	return 0;
 }
 
 DEFINE_SIMPLE_ATTRIBUTE(fops_atomic_t, debugfs_atomic_t_get,