From: Borislav Petkov bp@suse.de
commit 63c66cde7bbcc79aac14b25861c5b2495eede57b upstream.
No functional changes, just simplification.
Signed-off-by: Borislav Petkov bp@suse.de Link: https://lkml.kernel.org/r/20210304174237.31945-10-bp@alien8.de Signed-off-by: Ben Hutchings ben@decadent.org.uk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kernel/alternative.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -1284,15 +1284,15 @@ static void text_poke_loc_init(struct te const void *opcode, size_t len, const void *emulate) { struct insn insn; + int ret;
memcpy((void *)tp->text, opcode, len); if (!emulate) emulate = opcode;
- kernel_insn_init(&insn, emulate, MAX_INSN_SIZE); - insn_get_length(&insn); + ret = insn_decode(&insn, emulate, MAX_INSN_SIZE, INSN_MODE_KERN);
- BUG_ON(!insn_complete(&insn)); + BUG_ON(ret < 0); BUG_ON(len != insn.length);
tp->rel_addr = addr - (void *)_stext;