perf probe: Fix wrong warning in __show_one_line() if read(1) errors happen

This was introduced by commit fde52dbd7f71934aba4e150f3d1d51e826a08850.

Cc: H. Peter Anvin <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Franck Bui-Huu <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 099336ed34b4ca9f7be797ab3eb8dc97642b85ad..4bde988a0b04dfeb5fd6f395c4bf6dd2167f907c 100644 (file)
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -309,7 +309,7 @@ static int __show_one_line(FILE *fp, int l, bool skip, bool show_num)
        return 1;
 error:
        if (ferror(fp)) {
-               pr_warning("Source file is shorter than expected.\n");
+               pr_warning("File read error: %s\n", strerror(errno));
                return -1;
        }
        return 0;