From: Borislav Petkov <[email protected]> Catch empty --debugfs-dir= option and exit early.
Signed-off-by: Borislav Petkov <[email protected]> --- tools/perf/perf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/perf.c b/tools/perf/perf.c index f6ba7b73f40e..25f108480ac6 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -199,6 +199,10 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) (*argv)++; (*argc)--; } else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) { + if (strlen(cmd) == strlen(CMD_DEBUGFS_DIR)) { + fprintf(stderr, "No directory given for --debugfs-dir.\n"); + usage(perf_usage_string); + } perf_debugfs_set_path(cmd + strlen(CMD_DEBUGFS_DIR)); fprintf(stderr, "dir: %s\n", debugfs_mountpoint); if (envchanged) -- 1.8.1.3.535.ga923c31 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
