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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2022-08-06 16:51:26 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-08-10 15:44:02 +0200
commit4bf6dcaa93bcd083a13c278a91418fe10e6d23a0 (patch)
treef797b4782c17ecf1f6e409886b4e6820c958bced /tools/perf/util/probe-event.c
parentperf inject jit: Ignore memfd and anonymous mmap events if jitdump present (diff)
downloadlinux-4bf6dcaa93bcd083a13c278a91418fe10e6d23a0.tar.xz
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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: 15354d54698648e2 ("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>
Diffstat (limited to 'tools/perf/util/probe-event.c')
-rw-r--r--tools/perf/util/probe-event.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 67c12d5303e7..785246ff4179 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -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 */