x86/insn-eval: Handle insn_get_opcode() failure
is_string_insn() calls insn_get_opcode() that can fail, but does not handle the failure. is_string_insn() interface does not allow to communicate an error to the caller. Push insn_get_opcode() to the only non-static user of is_string_insn() and fail it early if insn_get_opcode() fails. [ dhansen: fix tabs-versus-spaces breakage ] Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Tested-by: Joerg Roedel <jroedel@suse.de> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Link: https://lkml.kernel.org/r/20211130184933.31005-2-kirill.shutemov@linux.intel.com
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