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Commit a2bbe682 authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

[IPV4]: Unify assignment of fi to fib_result 



Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
Acked-by: default avatarAlexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c17860a0

net/ipv4/fib_hash.c

+4 −15
Original line number Diff line number Diff line
@@ -315,10 +315,7 @@ fn_hash_select_default(struct fib_table *tb, const struct flowi *flp, struct fib 
					break;

			} else if (!fib_detect_death(fi, order, &last_resort,

						     &last_idx, fn_hash_last_dflt)) {

				if (res->fi)

					fib_info_put(res->fi);

				res->fi = fi;

				atomic_inc(&fi->fib_clntref);

				fib_result_assign(res, fi);

				fn_hash_last_dflt = order;

				goto out;

			}
@@ -333,21 +330,13 @@ fn_hash_select_default(struct fib_table *tb, const struct flowi *flp, struct fib 
	}



	if (!fib_detect_death(fi, order, &last_resort, &last_idx, fn_hash_last_dflt)) {

		if (res->fi)

			fib_info_put(res->fi);

		res->fi = fi;

		atomic_inc(&fi->fib_clntref);

		fib_result_assign(res, fi);

		fn_hash_last_dflt = order;

		goto out;

	}



	if (last_idx >= 0) {

		if (res->fi)

			fib_info_put(res->fi);

		res->fi = last_resort;

		if (last_resort)

			atomic_inc(&last_resort->fib_clntref);

	}

	if (last_idx >= 0)

		fib_result_assign(res, last_resort);

	fn_hash_last_dflt = last_idx;

out:

	read_unlock(&fib_hash_lock);

net/ipv4/fib_lookup.h

+10 −0
Original line number Diff line number Diff line
@@ -38,4 +38,14 @@ extern int fib_detect_death(struct fib_info *fi, int order, 
			    struct fib_info **last_resort,

			    int *last_idx, int dflt);



static inline void fib_result_assign(struct fib_result *res,

				     struct fib_info *fi)

{

	if (res->fi != NULL)

		fib_info_put(res->fi);

	res->fi = fi;

	if (fi != NULL)

		atomic_inc(&fi->fib_clntref);

}



#endif /* _FIB_LOOKUP_H */

net/ipv4/fib_trie.c

+4 −15
Original line number Diff line number Diff line
@@ -1831,10 +1831,7 @@ fn_trie_select_default(struct fib_table *tb, const struct flowi *flp, struct fib 
				break;

		} else if (!fib_detect_death(fi, order, &last_resort,

					     &last_idx, trie_last_dflt)) {

			if (res->fi)

				fib_info_put(res->fi);

			res->fi = fi;

			atomic_inc(&fi->fib_clntref);

			fib_result_assign(res, fi);

			trie_last_dflt = order;

			goto out;

		}
@@ -1847,20 +1844,12 @@ fn_trie_select_default(struct fib_table *tb, const struct flowi *flp, struct fib 
	}



	if (!fib_detect_death(fi, order, &last_resort, &last_idx, trie_last_dflt)) {

		if (res->fi)

			fib_info_put(res->fi);

		res->fi = fi;

		atomic_inc(&fi->fib_clntref);

		fib_result_assign(res, fi);

		trie_last_dflt = order;

		goto out;

	}

	if (last_idx >= 0) {

		if (res->fi)

			fib_info_put(res->fi);

		res->fi = last_resort;

		if (last_resort)

			atomic_inc(&last_resort->fib_clntref);

	}

	if (last_idx >= 0)

		fib_result_assign(res, last_resort);

	trie_last_dflt = last_idx;

 out:;

	rcu_read_unlock();