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-rw-r--r--kernel/trace/ftrace.c12
-rw-r--r--kernel/trace/trace_dynevent.c2
-rw-r--r--kernel/trace/trace_events_hist.c1
3 files changed, 7 insertions, 8 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index fa79323331b2..26c8ca9bd06b 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1992,7 +1992,7 @@ static void print_bug_type(void)
* modifying the code. @failed should be one of either:
* EFAULT - if the problem happens on reading the @ip address
* EINVAL - if what is read at @ip is not what was expected
- * EPERM - if the problem happens on writting to the @ip address
+ * EPERM - if the problem happens on writing to the @ip address
*/
void ftrace_bug(int failed, struct dyn_ftrace *rec)
{
@@ -2391,7 +2391,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
return ftrace_modify_call(rec, ftrace_old_addr, ftrace_addr);
}
- return -1; /* unknow ftrace bug */
+ return -1; /* unknown ftrace bug */
}
void __weak ftrace_replace_code(int mod_flags)
@@ -3004,7 +3004,7 @@ ftrace_allocate_pages(unsigned long num_to_init)
int cnt;
if (!num_to_init)
- return 0;
+ return NULL;
start_pg = pg = kzalloc(sizeof(*pg), GFP_KERNEL);
if (!pg)
@@ -4755,7 +4755,7 @@ static int
ftrace_set_addr(struct ftrace_ops *ops, unsigned long ip, int remove,
int reset, int enable)
{
- return ftrace_set_hash(ops, 0, 0, ip, remove, reset, enable);
+ return ftrace_set_hash(ops, NULL, 0, ip, remove, reset, enable);
}
/**
@@ -5463,7 +5463,7 @@ void ftrace_create_filter_files(struct ftrace_ops *ops,
/*
* The name "destroy_filter_files" is really a misnomer. Although
- * in the future, it may actualy delete the files, but this is
+ * in the future, it may actually delete the files, but this is
* really intended to make sure the ops passed in are disabled
* and that when this function returns, the caller is free to
* free the ops.
@@ -5786,7 +5786,7 @@ void ftrace_module_enable(struct module *mod)
/*
* If the tracing is enabled, go ahead and enable the record.
*
- * The reason not to enable the record immediatelly is the
+ * The reason not to enable the record immediately is the
* inherent check of ftrace_make_nop/ftrace_make_call for
* correct previous instructions. Making first the NOP
* conversion puts the module to the correct state, thus
diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c
index dd1f43588d70..fa100ed3b4de 100644
--- a/kernel/trace/trace_dynevent.c
+++ b/kernel/trace/trace_dynevent.c
@@ -74,7 +74,7 @@ int dyn_event_release(int argc, char **argv, struct dyn_event_operations *type)
static int create_dyn_event(int argc, char **argv)
{
struct dyn_event_operations *ops;
- int ret;
+ int ret = -ENODEV;
if (argv[0][0] == '-' || argv[0][0] == '!')
return dyn_event_release(argc, argv, NULL);
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index ca46339f3009..795aa2038377 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -3713,7 +3713,6 @@ static void track_data_destroy(struct hist_trigger_data *hist_data,
struct trace_event_file *file = hist_data->event_file;
destroy_hist_field(data->track_data.track_var, 0);
- destroy_hist_field(data->track_data.var_ref, 0);
if (data->action == ACTION_SNAPSHOT) {
struct track_data *track_data;