Make it clearer the argument is just being used as a string.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/jit.h     | 3 ++-
 tools/perf/util/jitdump.c | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/jit.h b/tools/perf/util/jit.h
index fb810e1b2de7..f4037203e9ec 100644
--- a/tools/perf/util/jit.h
+++ b/tools/perf/util/jit.h
@@ -5,7 +5,8 @@
 #include <data.h>
 
 int jit_process(struct perf_session *session, struct perf_data *output,
-		struct machine *machine, char *filename, pid_t pid, pid_t tid, u64 *nbytes);
+		struct machine *machine, const char *filename,
+		pid_t pid, pid_t tid, u64 *nbytes);
 
 int jit_inject_record(const char *filename);
 
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index 5ce13653512b..346513e5e9b7 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -710,7 +710,7 @@ jit_process_dump(struct jit_buf_desc *jd)
 }
 
 static int
-jit_inject(struct jit_buf_desc *jd, char *path)
+jit_inject(struct jit_buf_desc *jd, const char *path)
 {
 	int ret;
 
@@ -737,7 +737,7 @@ jit_inject(struct jit_buf_desc *jd, char *path)
  * as captured in the RECORD_MMAP record
  */
 static int
-jit_detect(char *mmap_name, pid_t pid, struct nsinfo *nsi)
+jit_detect(const char *mmap_name, pid_t pid, struct nsinfo *nsi)
  {
 	char *p;
 	char *end = NULL;
@@ -821,7 +821,7 @@ int
 jit_process(struct perf_session *session,
 	    struct perf_data *output,
 	    struct machine *machine,
-	    char *filename,
+	    const char *filename,
 	    pid_t pid,
 	    pid_t tid,
 	    u64 *nbytes)
-- 
2.46.0.184.g6999bdac58-goog