binfmt_misc: fix false -ENOEXEC when coupled with other binary handlers

[linux-2.6] / net / core / skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e4115672b6cfb1094de109c3fd56db796fc3741b..ca1ccdf1ef7612b87d16f53f803b2460de612360 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -485,6 +485,9 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb)
        C(head);
        C(data);
        C(truesize);
+#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
+       C(do_not_encrypt);
+#endif
        atomic_set(&n->users, 1);
 
        atomic_inc(&(skb_shinfo(skb)->dataref));
@@ -1200,7 +1203,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
 
-               BUG_TRAP(start <= offset + len);
+               WARN_ON(start > offset + len);
 
                end = start + skb_shinfo(skb)->frags[i].size;
                if ((copy = end - offset) > 0) {
@@ -1229,7 +1232,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
                for (; list; list = list->next) {
                        int end;
 
-                       BUG_TRAP(start <= offset + len);
+                       WARN_ON(start > offset + len);
 
                        end = start + list->len;
                        if ((copy = end - offset) > 0) {
@@ -1475,7 +1478,7 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
                skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
                int end;
 
-               BUG_TRAP(start <= offset + len);
+               WARN_ON(start > offset + len);
 
                end = start + frag->size;
                if ((copy = end - offset) > 0) {
@@ -1503,7 +1506,7 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
                for (; list; list = list->next) {
                        int end;
 
-                       BUG_TRAP(start <= offset + len);
+                       WARN_ON(start > offset + len);
 
                        end = start + list->len;
                        if ((copy = end - offset) > 0) {
@@ -1552,7 +1555,7 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
 
-               BUG_TRAP(start <= offset + len);
+               WARN_ON(start > offset + len);
 
                end = start + skb_shinfo(skb)->frags[i].size;
                if ((copy = end - offset) > 0) {
@@ -1581,7 +1584,7 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
                for (; list; list = list->next) {
                        int end;
 
-                       BUG_TRAP(start <= offset + len);
+                       WARN_ON(start > offset + len);
 
                        end = start + list->len;
                        if ((copy = end - offset) > 0) {
@@ -1629,7 +1632,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
 
-               BUG_TRAP(start <= offset + len);
+               WARN_ON(start > offset + len);
 
                end = start + skb_shinfo(skb)->frags[i].size;
                if ((copy = end - offset) > 0) {
@@ -1662,7 +1665,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
                        __wsum csum2;
                        int end;
 
-                       BUG_TRAP(start <= offset + len);
+                       WARN_ON(start > offset + len);
 
                        end = start + list->len;
                        if ((copy = end - offset) > 0) {
@@ -2253,14 +2256,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                        segs = nskb;
                tail = nskb;
 
-               nskb->dev = skb->dev;
-               skb_copy_queue_mapping(nskb, skb);
-               nskb->priority = skb->priority;
-               nskb->protocol = skb->protocol;
-               nskb->vlan_tci = skb->vlan_tci;
-               nskb->dst = dst_clone(skb->dst);
-               memcpy(nskb->cb, skb->cb, sizeof(skb->cb));
-               nskb->pkt_type = skb->pkt_type;
+               __copy_skb_header(nskb, skb);
                nskb->mac_len = skb->mac_len;
 
                skb_reserve(nskb, headroom);
@@ -2271,6 +2267,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                skb_copy_from_linear_data(skb, skb_put(nskb, doffset),
                                          doffset);
                if (!sg) {
+                       nskb->ip_summed = CHECKSUM_NONE;
                        nskb->csum = skb_copy_and_csum_bits(skb, offset,
                                                            skb_put(nskb, len),
                                                            len, 0);
@@ -2280,8 +2277,6 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                frag = skb_shinfo(nskb)->frags;
                k = 0;
 
-               nskb->ip_summed = CHECKSUM_PARTIAL;
-               nskb->csum = skb->csum;
                skb_copy_from_linear_data_offset(skb, offset,
                                                 skb_put(nskb, hsize), hsize);
 
@@ -2373,7 +2368,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
 
-               BUG_TRAP(start <= offset + len);
+               WARN_ON(start > offset + len);
 
                end = start + skb_shinfo(skb)->frags[i].size;
                if ((copy = end - offset) > 0) {
@@ -2397,7 +2392,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
                for (; list; list = list->next) {
                        int end;
 
-                       BUG_TRAP(start <= offset + len);
+                       WARN_ON(start > offset + len);
 
                        end = start + list->len;
                        if ((copy = end - offset) > 0) {