diff options
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 108ce3e1dc13..c9336e98ac59 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1751,12 +1751,13 @@ static inline void set_cmdline(int idx, const char *cmdline) static int allocate_cmdlines_buffer(unsigned int val, struct saved_cmdlines_buffer *s) { - s->map_cmdline_to_pid = kmalloc(val * sizeof(*s->map_cmdline_to_pid), - GFP_KERNEL); + s->map_cmdline_to_pid = kmalloc_array(val, + sizeof(*s->map_cmdline_to_pid), + GFP_KERNEL); if (!s->map_cmdline_to_pid) return -ENOMEM; - s->saved_cmdlines = kmalloc(val * TASK_COMM_LEN, GFP_KERNEL); + s->saved_cmdlines = kmalloc_array(TASK_COMM_LEN, val, GFP_KERNEL); if (!s->saved_cmdlines) { kfree(s->map_cmdline_to_pid); return -ENOMEM; @@ -4360,7 +4361,8 @@ int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled) if (mask == TRACE_ITER_RECORD_TGID) { if (!tgid_map) - tgid_map = kzalloc((PID_MAX_DEFAULT + 1) * sizeof(*tgid_map), + tgid_map = kcalloc(PID_MAX_DEFAULT + 1, + sizeof(*tgid_map), GFP_KERNEL); if (!tgid_map) { tr->trace_flags &= ~TRACE_ITER_RECORD_TGID; @@ -5063,7 +5065,7 @@ trace_insert_eval_map_file(struct module *mod, struct trace_eval_map **start, * where the head holds the module and length of array, and the * tail holds a pointer to the next list. */ - map_array = kmalloc(sizeof(*map_array) * (len + 2), GFP_KERNEL); + map_array = kmalloc_array(len + 2, sizeof(*map_array), GFP_KERNEL); if (!map_array) { pr_warn("Unable to allocate trace eval mapping\n"); return; |