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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-07-28 19:47:23 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-30 16:44:06 -0700 |
| commit | ec30c5f3a18722f8fcf8c83146a10b03ac4d9ff1 (patch) | |
| tree | fc343f7f608f4db5475abfdc8bbad3b0cfef69fd /kernel | |
| parent | 90a09c9cf78344d18e2438c3b87363b949629fa3 (diff) | |
| download | lwn-ec30c5f3a18722f8fcf8c83146a10b03ac4d9ff1.tar.gz lwn-ec30c5f3a18722f8fcf8c83146a10b03ac4d9ff1.zip | |
kprobes: Use kernel_text_address() for checking probe address
Use kernel_text_address() for checking probe address instead of
__kernel_text_address(), because __kernel_text_address() returns true
for init functions even after relaseing those functions.
That will hit a BUG() in text_poke().
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kprobes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 16b5739c516a..0540948e29ab 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -694,7 +694,7 @@ int __kprobes register_kprobe(struct kprobe *p) p->addr = addr; preempt_disable(); - if (!__kernel_text_address((unsigned long) p->addr) || + if (!kernel_text_address((unsigned long) p->addr) || in_kprobes_functions((unsigned long) p->addr)) { preempt_enable(); return -EINVAL; |