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Diffstat (limited to 'net/netfilter/nft_counter.c')
-rw-r--r--net/netfilter/nft_counter.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/netfilter/nft_counter.c b/net/netfilter/nft_counter.c
index dccc68a5135a..eab0dc66bee6 100644
--- a/net/netfilter/nft_counter.c
+++ b/net/netfilter/nft_counter.c
@@ -107,11 +107,16 @@ static void nft_counter_reset(struct nft_counter_percpu_priv *priv,
struct nft_counter *total)
{
struct nft_counter *this_cpu;
+ seqcount_t *myseq;
local_bh_disable();
this_cpu = this_cpu_ptr(priv->counter);
+ myseq = this_cpu_ptr(&nft_counter_seq);
+
+ write_seqcount_begin(myseq);
this_cpu->packets -= total->packets;
this_cpu->bytes -= total->bytes;
+ write_seqcount_end(myseq);
local_bh_enable();
}
@@ -226,7 +231,7 @@ static void nft_counter_destroy(const struct nft_ctx *ctx,
nft_counter_do_destroy(priv);
}
-static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src)
+static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp)
{
struct nft_counter_percpu_priv *priv = nft_expr_priv(src);
struct nft_counter_percpu_priv *priv_clone = nft_expr_priv(dst);
@@ -236,7 +241,7 @@ static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src)
nft_counter_fetch(priv, &total);
- cpu_stats = alloc_percpu_gfp(struct nft_counter, GFP_ATOMIC);
+ cpu_stats = alloc_percpu_gfp(struct nft_counter, gfp);
if (cpu_stats == NULL)
return -ENOMEM;
@@ -265,7 +270,7 @@ static void nft_counter_offload_stats(struct nft_expr *expr,
struct nft_counter *this_cpu;
seqcount_t *myseq;
- preempt_disable();
+ local_bh_disable();
this_cpu = this_cpu_ptr(priv->counter);
myseq = this_cpu_ptr(&nft_counter_seq);
@@ -273,7 +278,7 @@ static void nft_counter_offload_stats(struct nft_expr *expr,
this_cpu->packets += stats->pkts;
this_cpu->bytes += stats->bytes;
write_seqcount_end(myseq);
- preempt_enable();
+ local_bh_enable();
}
void nft_counter_init_seqcount(void)