It is advised to use module_name() macro instead of dereferencing mod->name directly. This makes sense for consistencys sake and also it prevents a hard dependency to CONFIG_MODULES. Link: https://lkml.kernel.org/r/20200818050857.117998-1-jarkko.sakkinen@linux.intel.com
Unified · Split
| @@ -106,9 +106,10 @@ static nokprobe_inline bool trace_kprobe_has_gone(struct trace_kprobe *tk) · 105 unmodified lines | ||
| 106 | 106 | static nokprobe_inline bool trace_kprobe_within_module(struct trace_kprobe *tk, |
| 107 | 107 | struct module *mod) |
| 108 | 108 | { |
| 109 | − int len = strlen(mod->name); | |
| 109 | + int len = strlen(module_name(mod)); | |
| 110 | 110 | const char *name = trace_kprobe_symbol(tk); |
| 111 | − return strncmp(mod->name, name, len) == 0 && name[len] == ':'; | |
| 111 | + | |
| 112 | + return strncmp(module_name(mod), name, len) == 0 && name[len] == ':'; | |
| 112 | 113 | } |
| 113 | 114 | |
| 114 | 115 | static nokprobe_inline bool trace_kprobe_module_exist(struct trace_kprobe *tk) |
| @@ -688,7 +689,7 @@ static int trace_kprobe_module_callback(struct notifier_block *nb, · 573 unmodified lines | ||
| 688 | 689 | if (ret) |
| 689 | 690 | pr_warn("Failed to re-register probe %s on %s: %d\n", |
| 690 | 691 | trace_probe_name(&tk->tp), |
| 691 | − mod->name, ret); | |
| 692 | + module_name(mod), ret); | |
| 692 | 693 | } |
| 693 | 694 | } |
| 694 | 695 | mutex_unlock(&event_mutex); |