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-rw-r--r--mm/mempolicy.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index cb41c31..b4eabab 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -443,7 +443,7 @@ asmlinkage long sys_set_mempolicy(int mode, unsigned long __user *nmask,
struct mempolicy *new;
DECLARE_BITMAP(nodes, MAX_NUMNODES);
- if (mode > MPOL_MAX)
+ if (mode < 0 || mode > MPOL_MAX)
return -EINVAL;
err = get_nodes(nodes, nmask, maxnode, mode);
if (err)
@@ -1138,11 +1138,11 @@ void mpol_free_shared_policy(struct shared_policy *p)
while (next) {
n = rb_entry(next, struct sp_node, nd);
next = rb_next(&n->nd);
+ rb_erase(&n->nd, &p->root);
mpol_free(n->policy);
kmem_cache_free(sn_cache, n);
}
spin_unlock(&p->lock);
- p->root = RB_ROOT;
}
/* assumes fs == KERNEL_DS */
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