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kprobes: Remove __dummy_buf 

Remove __dummy_buf which is needed for kallsyms_lookup only.
use kallsysm_lookup_size_offset instead.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
LKML-Reference: <1284512670-2369-5-git-send-email-namhyung@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Namhyung Kim 2010-09-15 10:04:29 +09:00 committed by Ingo Molnar
parent 6376b22975
commit 6abded71d7
1 changed files with 2 additions and 7 deletions
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9
arch/x86/kernel/kprobes.c
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@ -230,9 +230,6 @@ 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)
{
@ -241,7 +238,7 @@ 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 */
@ -1269,11 +1266,9 @@ 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. */