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ARM: 6745/1: kprobes insn decoding fix

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Marcin Slusarz says:

> In arch/arm/kernel/kprobes-decode.c there's a function
> arm_kprobe_decode_insn which does:
>
> } else if ((insn & 0x0e000000) == 0x0c400000) {
> ...
>
> This is always false, so code below is dead.
> I found this bug by coccinelle (http://coccinelle.lip6.fr/).

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Nicolas Pitre 2011-02-21 04:37:20 +01:00 committed by Russell King
parent 58e9c47fa0
commit 5a5af73053
1 changed files with 1 additions and 1 deletions
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2
arch/arm/kernel/kprobes-decode.c
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@ -1437,7 +1437,7 @@ arm_kprobe_decode_insn(kprobe_opcode_t insn, struct arch_specific_insn *asi)
return space_cccc_1100_010x(insn, asi);
} else if ((insn & 0x0e000000) == 0x0c400000) {
} else if ((insn & 0x0e000000) == 0x0c000000) {
return space_cccc_110x(insn, asi);