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authorMark Brown <broonie@kernel.org>2014-11-26 20:39:02 +0000
committerMark Brown <broonie@kernel.org>2014-11-26 20:39:02 +0000
commit75ff9420448e7bb30ab8265463595e794ce0c3aa (patch)
treeea00f0cff2f6a272d60a518eb6dde6e14263b5b7 /kernel/bpf/core.c
parent4524df83c7fc4f44702099a2db7b3cc938eb111f (diff)
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
Merge tag 'v3.18-rc4' into regulator-max77686
Linux 3.18-rc4
Diffstat (limited to 'kernel/bpf/core.c')
-rw-r--r--kernel/bpf/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index f0c30c59b317..d6594e457a25 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -655,3 +655,12 @@ void bpf_prog_free(struct bpf_prog *fp)
schedule_work(&aux->work);
}
EXPORT_SYMBOL_GPL(bpf_prog_free);
+
+/* To execute LD_ABS/LD_IND instructions __bpf_prog_run() may call
+ * skb_copy_bits(), so provide a weak definition of it for NET-less config.
+ */
+int __weak skb_copy_bits(const struct sk_buff *skb, int offset, void *to,
+ int len)
+{
+ return -EFAULT;
+}