remove __dummy_buf which is needed for kallsyms_lookup only.
use kallsysm_lookup_size_offset instead.
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 4986160..a4ff35d 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -224,9 +224,6 @@ static int recover_probed_instruction(kprobe_opcode_t *buf, unsigned long addr)
return 0;
}
-/* Dummy buffers for kallsyms_lookup */
-static char __dummy_buf[KSYM_NAME_LEN];
-
/* Check if paddr is at an instruction boundary */
static int __kprobes can_probe(unsigned long paddr)
{
@@ -235,7 +232,7 @@ static int __kprobes can_probe(unsigned long paddr)
struct insn insn;
kprobe_opcode_t buf[MAX_INSN_SIZE];
- if (!kallsyms_lookup(paddr, NULL, &offset, NULL, __dummy_buf))
+ if (!kallsyms_lookup_size_offset(paddr, NULL, &offset))
return 0;
/* Decode instructions */
@@ -1249,11 +1246,9 @@ static int __kprobes can_optimize(unsigned long paddr)
unsigned long addr, size = 0, offset = 0;
struct insn insn;
kprobe_opcode_t buf[MAX_INSN_SIZE];
- /* Dummy buffers for lookup_symbol_attrs */
- static char __dummy_buf[KSYM_NAME_LEN];
/* Lookup symbol including addr */
- if (!kallsyms_lookup(paddr, &size, &offset, NULL, __dummy_buf))
+ if (!kallsyms_lookup_size_offset(paddr, &size, &offset))
return 0;
/* Check there is enough space for a relative jump. */
--
1.7.0.4
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