kprobes: Use module_name() macro
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. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lkml.kernel.org/r/20200818050857.117998-1-jarkko.sakkinen@linux.intel.com
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@ -106,9 +106,10 @@ static nokprobe_inline bool trace_kprobe_has_gone(struct trace_kprobe *tk)
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static nokprobe_inline bool trace_kprobe_within_module(struct trace_kprobe *tk,
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struct module *mod)
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{
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int len = strlen(mod->name);
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int len = strlen(module_name(mod));
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const char *name = trace_kprobe_symbol(tk);
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return strncmp(mod->name, name, len) == 0 && name[len] == ':';
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return strncmp(module_name(mod), name, len) == 0 && name[len] == ':';
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}
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static nokprobe_inline bool trace_kprobe_module_exist(struct trace_kprobe *tk)
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@ -688,7 +689,7 @@ static int trace_kprobe_module_callback(struct notifier_block *nb,
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if (ret)
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pr_warn("Failed to re-register probe %s on %s: %d\n",
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trace_probe_name(&tk->tp),
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mod->name, ret);
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module_name(mod), ret);
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}
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}
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mutex_unlock(&event_mutex);
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