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kprobes: Use module_name() macro

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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
This commit is contained in:
Jarkko Sakkinen 2020-09-21 21:24:25 -04:00 committed by Peter Zijlstra
parent 221bfce5eb
commit e9ffc8c1b8
1 changed files with 4 additions and 3 deletions
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7
kernel/trace/trace_kprobe.c
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@ -106,9 +106,10 @@ static nokprobe_inline bool trace_kprobe_has_gone(struct trace_kprobe *tk)
static nokprobe_inline bool trace_kprobe_within_module(struct trace_kprobe *tk,
struct module *mod)
{
int len = strlen(mod->name);
int len = strlen(module_name(mod));
const char *name = trace_kprobe_symbol(tk);
return strncmp(mod->name, name, len) == 0 && name[len] == ':';
return strncmp(module_name(mod), name, len) == 0 && name[len] == ':';
}
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,
if (ret)
pr_warn("Failed to re-register probe %s on %s: %d\n",
trace_probe_name(&tk->tp),
mod->name, ret);
module_name(mod), ret);
}
}
mutex_unlock(&event_mutex);