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authorMasami Hiramatsu <mhiramat@redhat.com>2009-07-28 19:47:23 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-30 19:44:06 -0400
commitec30c5f3a18722f8fcf8c83146a10b03ac4d9ff1 (patch)
treefc343f7f608f4db5475abfdc8bbad3b0cfef69fd
parent90a09c9cf78344d18e2438c3b87363b949629fa3 (diff)
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>
-rw-r--r--kernel/kprobes.c2
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)
694 p->addr = addr; 694 p->addr = addr;
695 695
696 preempt_disable(); 696 preempt_disable();
697 if (!__kernel_text_address((unsigned long) p->addr) || 697 if (!kernel_text_address((unsigned long) p->addr) ||
698 in_kprobes_functions((unsigned long) p->addr)) { 698 in_kprobes_functions((unsigned long) p->addr)) {
699 preempt_enable(); 699 preempt_enable();
700 return -EINVAL; 700 return -EINVAL;