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authorPhilippe Schenker <philippe.schenker@toradex.com>2022-05-19 16:29:13 +0200
committerPhilippe Schenker <philippe.schenker@toradex.com>2022-05-19 16:29:13 +0200
commite6fb5c32f78f99682821f91b3959e222c93e4cb9 (patch)
tree3f6c281a7d83a6e3c0a153f93718f7cd9a39b6f7 /net/ipv4/esp4.c
parent585dc27c53b6c1a32a7e11b724e91d7297388a13 (diff)
parentb7007e1d615b8d4b71c28ebf790c5164fc4491d5 (diff)
Merge remote-tracking branch 'gh-fslc/5.4-2.3.x-imx' into toradex_5.4-2.3.x-imx
Diffstat (limited to 'net/ipv4/esp4.c')
-rw-r--r--net/ipv4/esp4.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 86c836fa2145..ef20f550d2f8 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -277,6 +277,7 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
struct page *page;
struct sk_buff *trailer;
int tailen = esp->tailen;
+ unsigned int allocsz;
/* this is non-NULL only with UDP Encapsulation */
if (x->encap) {
@@ -286,6 +287,10 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
return err;
}
+ allocsz = ALIGN(skb->data_len + tailen, L1_CACHE_BYTES);
+ if (allocsz > ESP_SKB_FRAG_MAXSIZE)
+ goto cow;
+
if (!skb_cloned(skb)) {
if (tailen <= skb_tailroom(skb)) {
nfrags = 1;
@@ -499,7 +504,7 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
struct xfrm_dst *dst = (struct xfrm_dst *)skb_dst(skb);
u32 padto;
- padto = min(x->tfcpad, __xfrm_state_mtu(x, dst->child_mtu_cached));
+ padto = min(x->tfcpad, xfrm_state_mtu(x, dst->child_mtu_cached));
if (skb->len < padto)
esp.tfclen = padto - skb->len;
}