diff options
| author | Simon Ser <contact@emersion.fr> | 2017-12-30 14:43:31 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-12-30 22:04:17 +0100 |
| commit | d89e426499cf36b96161bd32970d6783f1fbcb0e (patch) | |
| tree | 95b0a0b10ac5855cde835a98655c3b1e54961a1b | |
| parent | e7e83dd3ff1dd2f9e60213f6eedc7e5b08192062 (diff) | |
| download | linux-d89e426499cf36b96161bd32970d6783f1fbcb0e.tar.bz2 | |
objtool: Fix seg fault caused by missing parameter
Fix a seg fault when no parameter is provided to 'objtool orc'.
Signed-off-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/9172803ec7ebb72535bcd0b7f966ae96d515968e.1514666459.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | tools/objtool/builtin-orc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/objtool/builtin-orc.c b/tools/objtool/builtin-orc.c index 4c6b5c9ef073..91e8e19ff5e0 100644 --- 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")) { |