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Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index 12b31c602cb0..fe62fe2eb781 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -183,7 +183,7 @@ static inline void dst_metric_set(struct dst_entry *dst, int metric, u32 val)
}
/* Kernel-internal feature bits that are unallocated in user space. */
-#define DST_FEATURE_ECN_CA (1 << 31)
+#define DST_FEATURE_ECN_CA (1U << 31)
#define DST_FEATURE_MASK (DST_FEATURE_ECN_CA)
#define DST_FEATURE_ECN_MASK (DST_FEATURE_ECN_CA | RTAX_FEATURE_ECN)
@@ -302,8 +302,9 @@ static inline bool dst_hold_safe(struct dst_entry *dst)
* @skb: buffer
*
* If dst is not yet refcounted and not destroyed, grab a ref on it.
+ * Returns true if dst is refcounted.
*/
-static inline void skb_dst_force(struct sk_buff *skb)
+static inline bool skb_dst_force(struct sk_buff *skb)
{
if (skb_dst_is_noref(skb)) {
struct dst_entry *dst = skb_dst(skb);
@@ -314,6 +315,8 @@ static inline void skb_dst_force(struct sk_buff *skb)
skb->_skb_refdst = (unsigned long)dst;
}
+
+ return skb->_skb_refdst != 0UL;
}