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tracing/dynevent: Fix a memory leak in an error handling path

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We must free 'argv' before returning, as already done in all the other
paths of this function.

Link: https://lkml.kernel.org/r/21e3594ccd7fc88c5c162c98450409190f304327.1618136448.git.christophe.jaillet@wanadoo.fr

Fixes: d262271d0483 ("tracing/dynevent: Delegate parsing to create function")
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Christophe JAILLET 2021-04-11 12:21:54 +02:00 committed by Steven Rostedt (VMware)
parent 9deb193af6
commit 8db403b963
1 changed files with 4 additions and 2 deletions
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6
kernel/trace/trace_dynevent.c
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@ -63,8 +63,10 @@ int dyn_event_release(const char *raw_command, struct dyn_event_operations *type
event = p + 1;
*p = '\0';
}
if (event[0] == '\0')
return -EINVAL;
if (event[0] == '\0') {
ret = -EINVAL;
goto out;
}
mutex_lock(&event_mutex);
for_each_dyn_event_safe(pos, n) {