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authorNicolas Pitre <nicolas.pitre@linaro.org>2011-02-21 04:37:20 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-02-21 19:29:29 +0000
commit5a5af730536fbf15fc354980cba2a0400afa6b76 (patch)
tree80e84fc65496e03bcdf0f5c6ce2d3ae2db54fabc
parent58e9c47fa0dd76693b2c85c010c7430a4de77c6d (diff)
downloadlinux-5a5af730536fbf15fc354980cba2a0400afa6b76.tar.bz2
ARM: 6745/1: kprobes insn decoding fix
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>
-rw-r--r--arch/arm/kernel/kprobes-decode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index 2c1f0050c9c4..8f6ed43861f1 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -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);