4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Simon Ser <cont...@emersion.fr> commit d89e426499cf36b96161bd32970d6783f1fbcb0e upstream. Fix a seg fault when no parameter is provided to 'objtool orc'. Signed-off-by: Simon Ser <cont...@emersion.fr> Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/9172803ec7ebb72535bcd0b7f966ae96d515968e.1514666459.git.jpoim...@redhat.com Signed-off-by: Ingo Molnar <mi...@kernel.org> Cc: Guenter Roeck <li...@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- tools/objtool/builtin-orc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/tools/objtool/builtin-orc.c +++ b/tools/objtool/builtin-orc.c @@ -44,6 +44,9 @@ int cmd_orc(int argc, const char **argv) const char *objname; argc--; argv++; + if (argc <= 0) + usage_with_options(orc_usage, check_options); + if (!strncmp(argv[0], "gen", 3)) { argc = parse_options(argc, argv, check_options, orc_usage, 0); if (argc != 1) @@ -52,7 +55,6 @@ int cmd_orc(int argc, const char **argv) objname = argv[0]; return check(objname, no_fp, no_unreachable, true); - } if (!strcmp(argv[0], "dump")) {
