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authorIdo Schimmel <idosch@mellanox.com>2016-12-03 18:44:59 +0300
committerDavid S. Miller <davem@davemloft.net>2016-12-04 03:29:35 +0300
commit1c677b3d2828a84e0360e1a07d1204531540dc03 (patch)
tree722b60bcd53e51286e982f1b6e6b8073240a5b97 /include/net/ip_fib.h
parentb423cb10807b3a24b909c40f4372df88118a9875 (diff)
downloadlinux-1c677b3d2828a84e0360e1a07d1204531540dc03.tar.xz
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>
Diffstat (limited to 'include/net/ip_fib.h')
-rw-r--r--include/net/ip_fib.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index f390c3bb05c5..6c67b9391fc0 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -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))