diff options
Diffstat (limited to 'tools/perf/builtin-timechart.c')
| -rw-r--r-- | tools/perf/builtin-timechart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index e0e822695a29..9e84fae9b096 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -35,6 +35,7 @@ #include "util/tool.h" #include "util/data.h" #include "util/debug.h" +#include <linux/err.h> #ifdef LACKS_OPEN_MEMSTREAM_PROTOTYPE FILE *open_memstream(char **ptr, size_t *sizeloc); @@ -1601,8 +1602,8 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name) &tchart->tool); int ret = -EINVAL; - if (session == NULL) - return -1; + if (IS_ERR(session)) + return PTR_ERR(session); symbol__init(&session->header.env); |