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| author | Yajun Deng <yajun.deng@linux.dev> | 2021-07-29 15:13:50 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-07-30 15:33:24 +0200 |
| commit | 79976892f7ea37f44f8bcfb6d266954e8ae0124d (patch) | |
| tree | 9e438088b39b37c3f5cb1152cb59d284f9adaf8a /include/net/ip_fib.h | |
| parent | 3e12361b6d23f793580a50a6008633501c56ea1d (diff) | |
| download | linux-79976892f7ea37f44f8bcfb6d266954e8ae0124d.tar.gz | |
net: convert fib_treeref from int to refcount_t
refcount_t type should be used instead of int when fib_treeref is used as
a reference counter,and avoid use-after-free risks.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20210729071350.28919-1-yajun.deng@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/ip_fib.h')
| -rw-r--r-- | include/net/ip_fib.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 3ab2563b1a230d..21c5386d4a6dc9 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -133,7 +133,7 @@ struct fib_info { struct hlist_node fib_lhash; struct list_head nh_list; struct net *fib_net; - int fib_treeref; + refcount_t fib_treeref; refcount_t fib_clntref; unsigned int fib_flags; unsigned char fib_dead; |