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disas/i386: Avoid NULL pointer dereference in error case 

In a code path where we hit an internal disassembler error, execution
would subsequently attempt to dereference a NULL pointer.  This
should never happen, but avoid the crash.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1488556233-31246-3-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-03-03 15:50:29 +00:00
parent 6815a8a00a
commit 3f168b5d35
1 changed files with 1 additions and 1 deletions
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2
disas/i386.c
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@ -4043,7 +4043,7 @@ print_insn (bfd_vma pc, disassemble_info *info)
}
}
if (putop (dp->name, sizeflag) == 0)
if (dp->name != NULL && putop (dp->name, sizeflag) == 0)
{
for (i = 0; i < MAX_OPERANDS; ++i)
{