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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[cascardo/linux.git]
/
arch
/
x86
/
kernel
/
kprobes
/
opt.c
diff --git
a/arch/x86/kernel/kprobes/opt.c
b/arch/x86/kernel/kprobes/opt.c
index
0dd8d08
..
7b3b9d1
100644
(file)
--- a/
arch/x86/kernel/kprobes/opt.c
+++ b/
arch/x86/kernel/kprobes/opt.c
@@
-259,6
+259,8
@@
static int can_optimize(unsigned long paddr)
*/
return 0;
recovered_insn = recover_probed_instruction(buf, addr);
+ if (!recovered_insn)
+ return 0;
kernel_insn_init(&insn, (void *)recovered_insn, MAX_INSN_SIZE);
insn_get_length(&insn);
/* Another subsystem puts a breakpoint */