diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 09:35:02 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 01:29:04 -0700 |
| commit | 0029c0deb590bc18732327d53b8fdab12eec6d7c (patch) | |
| tree | f7c443301baeff0f7e2fcf848bfb8f6545e74146 /net/ipv4/fib_trie.c | |
| parent | f6a6fede28e3cc3f9e4669a12839b47011330d95 (diff) | |
| download | blackbird-obmc-linux-0029c0deb590bc18732327d53b8fdab12eec6d7c.tar.gz blackbird-obmc-linux-0029c0deb590bc18732327d53b8fdab12eec6d7c.zip | |
net, ipv4: convert fib_info.fib_clntref from atomic_t to refcount_t
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_trie.c')
| -rw-r--r-- | net/ipv4/fib_trie.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index d56659e97a6e..64668c69dda6 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1463,7 +1463,7 @@ found: } if (!(fib_flags & FIB_LOOKUP_NOREF)) - atomic_inc(&fi->fib_clntref); + refcount_inc(&fi->fib_clntref); res->prefix = htonl(n->key); res->prefixlen = KEYLENGTH - fa->fa_slen; |
