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| author | Namhyung Kim <namhyung@gmail.com> | 2010-09-15 10:04:26 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-15 10:44:00 +0200 |
| commit | edbaadbe42b0b790618ec49d29626223529d8195 (patch) | |
| tree | fbd036fe6208249b40ab56f1e68c4efb5b7785d0 /kernel/kprobes.c | |
| parent | 38a81da2205f94e8a2a834b51a6b99c91fc7c2e8 (diff) | |
| download | lwn-edbaadbe42b0b790618ec49d29626223529d8195.tar.gz lwn-edbaadbe42b0b790618ec49d29626223529d8195.zip | |
kprobes: Remove redundant address check
Remove call to kernel_text_address() in register_jprobes()
because it is called right after in register_kprobe().
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
LKML-Reference: <1284512670-2369-2-git-send-email-namhyung@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/kprobes.c')
| -rw-r--r-- | kernel/kprobes.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 282035f3ae96..8f967016cef0 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1343,14 +1343,11 @@ int __kprobes register_jprobes(struct jprobe **jps, int num) jp = jps[i]; addr = arch_deref_entry_point(jp->entry); - if (!kernel_text_address(addr)) - ret = -EINVAL; - else { - /* Todo: Verify probepoint is a function entry point */ - jp->kp.pre_handler = setjmp_pre_handler; - jp->kp.break_handler = longjmp_break_handler; - ret = register_kprobe(&jp->kp); - } + /* Todo: Verify probepoint is a function entry point */ + jp->kp.pre_handler = setjmp_pre_handler; + jp->kp.break_handler = longjmp_break_handler; + ret = register_kprobe(&jp->kp); + if (ret < 0) { if (i > 0) unregister_jprobes(jps, i); |