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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-04-11 13:21:54 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-04-13 19:29:48 +0300 |
| commit | 8db403b9631331ef1d5e302cdf353c48849ca9d5 (patch) | |
| tree | 11f5e5ed9f38818139a405731d05ba759ae8b693 /kernel/trace/trace_dynevent.c | |
| parent | 9deb193af69d3fd6dd8e47f292b67c805a787010 (diff) | |
| download | linux-8db403b9631331ef1d5e302cdf353c48849ca9d5.tar.xz | |
tracing/dynevent: Fix a memory leak in an error handling path
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>
Diffstat (limited to 'kernel/trace/trace_dynevent.c')
| -rw-r--r-- | kernel/trace/trace_dynevent.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c index dc971a68dda4..e57cc0870892 100644 --- a/kernel/trace/trace_dynevent.c +++ b/kernel/trace/trace_dynevent.c @@ -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) { |