Re: [PATCH] Add compat code for skb_put_data

[Hans Verkuil]

On 07/23/2017 11:31 AM, Matthias Schwarzott wrote:

Signed-off-by: Matthias Schwarzott <z...@gentoo.org>

Applied, much appreciated that you looked into this!

Regards.

        Hans

---
  v4l/compat.h                      | 12 ++++++++++++
  v4l/scripts/make_config_compat.pl |  1 +
  2 files changed, 13 insertions(+)

diff --git a/v4l/compat.h b/v4l/compat.h
index 47e2694..e565292 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -2072,4 +2072,16 @@ static inline bool is_of_node(struct fwnode_handle 
*fwnode)
  }
  #endif

+#ifdef NEED_SKB_PUT_DATA

+static inline void *skb_put_data(struct sk_buff *skb, const void *data,
+                                 unsigned int len)
+{
+        void *tmp = skb_put(skb, len);
+
+        memcpy(tmp, data, len);
+
+        return tmp;
+}
+#endif
+
  #endif /*  _COMPAT_H */
diff --git a/v4l/scripts/make_config_compat.pl 
b/v4l/scripts/make_config_compat.pl
index d186cb4..5ac59ab 100644
--- a/v4l/scripts/make_config_compat.pl
+++ b/v4l/scripts/make_config_compat.pl
@@ -699,6 +699,7 @@ sub check_other_dependencies()
        check_files_for_func("of_fwnode_handle", "NEED_FWNODE", 
"include/linux/of.h");
        check_files_for_func("to_of_node", "NEED_TO_OF_NODE", 
"include/linux/of.h");
        check_files_for_func("is_of_node", "NEED_IS_OF_NODE", 
"include/linux/of.h");
+       check_files_for_func("skb_put_data", "NEED_SKB_PUT_DATA", 
"include/linux/skbuff.h");

# For tests for uapi-dependent logic

        check_files_for_func_uapi("usb_endpoint_maxp", "NEED_USB_ENDPOINT_MAXP", 
"usb/ch9.h");