git.openpandora.org
/
pandora-kernel.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
kprobes/mips: Fix to check double free of insn slot
[pandora-kernel.git]
/
arch
/
mips
/
kernel
/
kprobes.c
diff --git
a/arch/mips/kernel/kprobes.c
b/arch/mips/kernel/kprobes.c
index
12bc4eb
..
1f8187a
100644
(file)
--- a/
arch/mips/kernel/kprobes.c
+++ b/
arch/mips/kernel/kprobes.c
@@
-207,7
+207,10
@@
void __kprobes arch_disarm_kprobe(struct kprobe *p)
void __kprobes arch_remove_kprobe(struct kprobe *p)
{
- free_insn_slot(p->ainsn.insn, 0);
+ if (p->ainsn.insn) {
+ free_insn_slot(p->ainsn.insn, 0);
+ p->ainsn.insn = NULL;
+ }
}
static void save_previous_kprobe(struct kprobe_ctlblk *kcb)