diff options
| -rw-r--r-- | lib/fault-inject.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/lib/fault-inject.c b/lib/fault-inject.c index e6430e1ce180..882fd3b6a6ad 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -139,16 +139,6 @@ static int debugfs_ul_set(void *data, u64 val) return 0; } -#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 int debugfs_ul_get(void *data, u64 *val) { *val = *(unsigned long *)data; @@ -164,16 +154,26 @@ static struct dentry *debugfs_create_ul(const char *name, mode_t mode, } #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"); -static struct dentry *debugfs_create_ul_MAX_STACK_TRACE_DEPTH( +static int debugfs_stacktrace_depth_set(void *data, u64 val) +{ + *(unsigned long *)data = + min_t(unsigned long, val, MAX_STACK_TRACE_DEPTH); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(fops_stacktrace_depth, debugfs_ul_get, + debugfs_stacktrace_depth_set, "%llu\n"); + +static struct dentry *debugfs_create_stacktrace_depth( const char *name, mode_t mode, struct dentry *parent, unsigned long *value) { return debugfs_create_file(name, mode, parent, value, - &fops_ul_MAX_STACK_TRACE_DEPTH); + &fops_stacktrace_depth); } + #endif /* CONFIG_FAULT_INJECTION_STACKTRACE_FILTER */ static int debugfs_atomic_t_set(void *data, u64 val) @@ -281,7 +281,7 @@ int init_fault_attr_dentries(struct fault_attr *attr, const char *name) #ifdef CONFIG_FAULT_INJECTION_STACKTRACE_FILTER attr->dentries.stacktrace_depth_file = - debugfs_create_ul_MAX_STACK_TRACE_DEPTH( + debugfs_create_stacktrace_depth( "stacktrace-depth", mode, dir, &attr->stacktrace_depth); attr->dentries.require_start_file = |