1 files changed, 13 insertions, 4 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2b0a30a6e31c..4355129fff91 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -463,6 +463,15 @@ static inline u32 skb_mstamp_us_delta(const struct skb_mstamp *t1,
         return delta_us;
 }
 
+static inline bool skb_mstamp_after(const struct skb_mstamp *t1,
+                                    const struct skb_mstamp *t0)
+{
+        s32 diff = t1->stamp_jiffies - t0->stamp_jiffies;
+
+        if (!diff)
+                diff = t1->stamp_us - t0->stamp_us;
+        return diff > 0;
+}
 
 /** 
  *      struct sk_buff - socket buffer
@@ -1215,7 +1224,7 @@ static inline int skb_cloned(const struct sk_buff *skb)
 
 static inline int skb_unclone(struct sk_buff *skb, gfp_t pri)
 {
-        might_sleep_if(pri & __GFP_WAIT);
+        might_sleep_if(gfpflags_allow_blocking(pri));
 
         if (skb_cloned(skb))
                 return pskb_expand_head(skb, 0, 0, pri);
@@ -1299,7 +1308,7 @@ static inline int skb_shared(const struct sk_buff *skb)
  */
 static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri)
 {
-        might_sleep_if(pri & __GFP_WAIT);
+        might_sleep_if(gfpflags_allow_blocking(pri));
         if (skb_shared(skb)) {
                 struct sk_buff *nskb = skb_clone(skb, pri);
 
@@ -1335,7 +1344,7 @@ static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri)
 static inline struct sk_buff *skb_unshare(struct sk_buff *skb,
                                           gfp_t pri)
 {
-        might_sleep_if(pri & __GFP_WAIT);
+        might_sleep_if(gfpflags_allow_blocking(pri));
         if (skb_cloned(skb)) {
                 struct sk_buff *nskb = skb_copy(skb, pri);
 
@@ -2708,7 +2717,7 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb,
         if (skb->ip_summed == CHECKSUM_COMPLETE)
                 skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0));
         else if (skb->ip_summed == CHECKSUM_PARTIAL &&
-                 skb_checksum_start_offset(skb) <= len)
+                 skb_checksum_start_offset(skb) < 0)
                 skb->ip_summed = CHECKSUM_NONE;
 }