Commit 1c677b3d authored Dec 03, 2016 by Ido Schimmel Committed by David S. Miller Dec 03, 2016

ipv4: fib: Add fib_info_hold() helper



As explained in the previous commit, modules are going to need to take a
reference on fib info and then drop it using fib_info_put().

Add the fib_info_hold() helper to make the code more readable and also
symmetric with fib_info_put().

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Suggested-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b423cb10

include/net/ip_fib.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -397,6 +397,11 @@ static inline void fib_combine_itag(u32 itag, const struct fib_result res)

		void free_fib_info(struct fib_info *fi);

		static inline void fib_info_hold(struct fib_info *fi)
		{
		atomic_inc(&fi->fib_clntref);
		}

		static inline void fib_info_put(struct fib_info *fi)
		{
		if (atomic_dec_and_test(&fi->fib_clntref))