kcm: disable preemption in kcm_parse_func_strparser()

[linux-2.6-block.git] / net / kcm / kcmsock.c

diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 8f12f5c6ab875ebaa6c59c6268c337919fb43bb9..ea9e73428ed9c8b7bb3441947151c41f0c099185 100644 (file)
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -378,8 +378,12 @@ static int kcm_parse_func_strparser(struct strparser *strp, struct sk_buff *skb)
 {
        struct kcm_psock *psock = container_of(strp, struct kcm_psock, strp);
        struct bpf_prog *prog = psock->bpf_prog;
+       int res;
 
-       return BPF_PROG_RUN(prog, skb);
+       preempt_disable();
+       res = BPF_PROG_RUN(prog, skb);
+       preempt_enable();
+       return res;
 }
 
 static int kcm_read_sock_done(struct strparser *strp, int err)