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authorDavid S. Miller <davem@davemloft.net>2009-01-08 11:05:59 -0800
committerDavid S. Miller <davem@davemloft.net>2009-01-08 11:05:59 -0800
commit7f46b1343f723f98634a5dcee47856b2000079ed (patch)
treeed22b6298c8dd2f687890a0d79abcd1d273b5f81 /arch/ia64/kernel/kprobes.c
parentr6040: bump release number to 0.20 (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 (diff)
downloadlinux-dev-7f46b1343f723f98634a5dcee47856b2000079ed.tar.xz
linux-dev-7f46b1343f723f98634a5dcee47856b2000079ed.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/ia64/kernel/kprobes.c')
-rw-r--r--arch/ia64/kernel/kprobes.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index f07688da947c..f90be51b1123 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -434,7 +434,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
/*
* It is possible to have multiple instances associated with a given
* task either because an multiple functions in the call path
- * have a return probe installed on them, and/or more then one return
+ * have a return probe installed on them, and/or more than one return
* return probe was registered for a target function.
*
* We can handle this because:
@@ -670,9 +670,11 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
void __kprobes arch_remove_kprobe(struct kprobe *p)
{
- mutex_lock(&kprobe_mutex);
- free_insn_slot(p->ainsn.insn, p->ainsn.inst_flag & INST_FLAG_BOOSTABLE);
- mutex_unlock(&kprobe_mutex);
+ if (p->ainsn.insn) {
+ free_insn_slot(p->ainsn.insn,
+ p->ainsn.inst_flag & INST_FLAG_BOOSTABLE);
+ p->ainsn.insn = NULL;
+ }
}
/*
* We are resuming execution after a single step fault, so the pt_regs