[RFC,v0,08/19] x86/alternative: Use insn_decode()
diff mbox series

Message ID 20201124101952.7909-9-bp@alien8.de
State New, archived
Headers show
Series
  • [RFC,v0,01/19] x86/insn: Rename insn_decode() to insn_decode_regs()
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Commit Message

Borislav Petkov Nov. 24, 2020, 10:19 a.m. UTC 
From: Borislav Petkov <bp@suse.de>

No functional changes, just simplification.

Signed-off-by: Borislav Petkov <bp@suse.de>
---
 arch/x86/kernel/alternative.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch
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diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2400ad62f330..02845ea7354a 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1274,15 +1274,15 @@  static void text_poke_loc_init(struct text_poke_loc *tp, void *addr,
 			       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;