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[12/30] header: Add __skb_put_zero()

Message ID 20201201220415.30582-13-hauke@hauke-m.de (mailing list archive)
State New, archived
Headers show
Series backports: Update to match kernel 5.10-rc6 | expand

Commit Message

Hauke Mehrtens Dec. 1, 2020, 10:03 p.m. UTC 
This was added in upstream Linux commit de77b966ce8a ("net: introduce
__skb_put_[zero, data, u8]") and is now used by the mt76 driver.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 backport/backport-include/linux/skbuff.h | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
index 3ed990d0..3286d36c 100644
--- a/backport/backport-include/linux/skbuff.h
+++ b/backport/backport-include/linux/skbuff.h
@@ -348,6 +348,14 @@  static inline void *backport___skb_push(struct sk_buff *skb, unsigned int len)
 }
 #define __skb_push LINUX_BACKPORT(__skb_push)
 
+static inline void *__skb_put_zero(struct sk_buff *skb, unsigned int len)
+{
+	void *tmp = __skb_put(skb, len);
+
+	memset(tmp, 0, len);
+	return tmp;
+}
+
 static inline void *skb_put_zero(struct sk_buff *skb, unsigned int len)
 {
 	void *tmp = skb_put(skb, len);