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Subject[PATCH 4.19 20/22] net: skbuff: disambiguate argument and member for skb_list_walk_safe helper
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From: Jason A. Donenfeld <Jason@zx2c4.com>

commit 5eee7bd7e245914e4e050c413dfe864e31805207 upstream.

This worked before, because we made all callers name their next pointer
"next". But in trying to be more "drop-in" ready, the silliness here is
revealed. This commit fixes the problem by making the macro argument and
the member use different names.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/skbuff.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1364,9 +1364,9 @@ static inline void skb_mark_not_on_list(
}

/* Iterate through singly-linked GSO fragments of an skb. */
-#define skb_list_walk_safe(first, skb, next) \
- for ((skb) = (first), (next) = (skb) ? (skb)->next : NULL; (skb); \
- (skb) = (next), (next) = (skb) ? (skb)->next : NULL)
+#define skb_list_walk_safe(first, skb, next_skb) \
+ for ((skb) = (first), (next_skb) = (skb) ? (skb)->next : NULL; (skb); \
+ (skb) = (next_skb), (next_skb) = (skb) ? (skb)->next : NULL)

static inline void skb_list_del_init(struct sk_buff *skb)
{

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