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authorSimon Ser <contact@emersion.fr>2017-12-30 14:43:32 -0600
committerIngo Molnar <mingo@kernel.org>2017-12-30 22:04:17 +0100
commitce90aaf5cde4ce057b297bb6c955caf16ef00ee6 (patch)
tree70b8105963826293a1a65d1271d3162ef91c4dba /tools/objtool
parentd89e426499cf36b96161bd32970d6783f1fbcb0e (diff)
downloadlinux-stericsson-ce90aaf5cde4ce057b297bb6c955caf16ef00ee6.tar.gz
objtool: Fix seg fault with clang-compiled objects
Fix a seg fault which happens when an input file provided to 'objtool orc generate' doesn't have a '.shstrtab' section (for instance, object files produced by clang don't have this section). 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/c0f2231683e9bed40fac1f13ce2c33b8389854bc.1514666459.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool')
-rw-r--r--tools/objtool/orc_gen.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c
index e5ca31429c9b..e61fe703197b 100644
--- a/tools/objtool/orc_gen.c
+++ b/tools/objtool/orc_gen.c
@@ -165,6 +165,8 @@ int create_orc_sections(struct objtool_file *file)
/* create .orc_unwind_ip and .rela.orc_unwind_ip sections */
sec = elf_create_section(file->elf, ".orc_unwind_ip", sizeof(int), idx);
+ if (!sec)
+ return -1;
ip_relasec = elf_create_rela_section(file->elf, sec);
if (!ip_relasec)