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Three small fixes: 

- A fix to a double free in the histogram code
  - Uninitialized variable fix
  - Use NULL instead of zero fix and spelling fixes
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Merge tag 'trace-v5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Three small fixes:

   - A fix to a double free in the histogram code

   - Uninitialized variable fix

   - Use NULL instead of zero fix and spelling fixes"

* tag 'trace-v5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace: Fix warning using plain integer as NULL & spelling corrections
  tracing: initialize variable in create_dyn_event()
  tracing: Remove unnecessary var_ref destroy in track_data_destroy()
This commit is contained in:
Linus Torvalds 2019-03-26 10:21:55 -07:00
parent 9798a22df3 9efb85c5cf
commit 26a3b01be8
3 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/trace/ftrace.c
View File

@ -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

2
kernel/trace/trace_dynevent.c
View File

@ -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);

1
kernel/trace/trace_events_hist.c
View File

@ -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;