mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-27 12:57:53 +00:00
perf probe: Fix an error handling path in 'parse_perf_probe_command()'
If a memory allocation fail, we should branch to the error handling path
in order to free some resources allocated a few lines above.
Fixes: 15354d5469
("perf probe: Generate event name with line number")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: kernel-janitors@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/b71bcb01fa0c7b9778647235c3ab490f699ba278.1659797452.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
46f7bd5e1b
commit
4bf6dcaa93
1 changed files with 4 additions and 2 deletions
|
@ -1775,8 +1775,10 @@ int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev)
|
|||
if (!pev->event && pev->point.function && pev->point.line
|
||||
&& !pev->point.lazy_line && !pev->point.offset) {
|
||||
if (asprintf(&pev->event, "%s_L%d", pev->point.function,
|
||||
pev->point.line) < 0)
|
||||
return -ENOMEM;
|
||||
pev->point.line) < 0) {
|
||||
ret = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
/* Copy arguments and ensure return probe has no C argument */
|
||||
|
|
Loading…
Reference in a new issue