aboutsummaryrefslogtreecommitdiff
path: root/tools/objtool
diff options
context:
space:
mode:
authorKamalesh Babulal <kamalesh@linux.vnet.ibm.com>2017-10-19 11:27:24 -0500
committerIngo Molnar <mingo@kernel.org>2017-10-20 09:43:21 +0200
commitb703798386fb7288d5a995bd2284a984a5e24f3c (patch)
treea51030fa33b9ecdeabb603ea0975bd7c355687ec /tools/objtool
parentce43f4fd6f103681c7485c2b1967179647e73555 (diff)
downloadlinux-stericsson-b703798386fb7288d5a995bd2284a984a5e24f3c.tar.gz
objtool: Fix memory leak in decode_instructions()
When an error occurs before adding an allocated insn to the list, free it before returning. Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> 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/336da800bf6070eae11f4e0a3b9ca64c27658114.1508430423.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool')
-rw-r--r--tools/objtool/check.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index a0c518ecf085..c0e26ad1fa7e 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -267,12 +267,13 @@ static int decode_instructions(struct objtool_file *file)
&insn->immediate,
&insn->stack_op);
if (ret)
- return ret;
+ goto err;
if (!insn->type || insn->type > INSN_LAST) {
WARN_FUNC("invalid instruction type %d",
insn->sec, insn->offset, insn->type);
- return -1;
+ ret = -1;
+ goto err;
}
hash_add(file->insn_hash, &insn->hash, insn->offset);
@@ -296,6 +297,10 @@ static int decode_instructions(struct objtool_file *file)
}
return 0;
+
+err:
+ free(insn);
+ return ret;
}
/*