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(parent: 633cefe) | patch
ipv4: convert dst_metrics.refcnt from atomic_t to refcount_t
authorEric Dumazet <edumazet@google.com>
Fri, 18 Aug 2017 19:08:07 +0000 (12:08 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Aug 2017 22:14:07 +0000 (15:14 -0700)
commit9620fef27ed2cdb37bf6fd028f32bea2ef5119a8
tree7d4b243d0f353b98fd379d0d6ad800d734506e30tree | snapshot (tar.gz zip)
parent633cefe390e59e9449dc88707235e57ac76b5c38commit | diff
ipv4: convert dst_metrics.refcnt 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: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/dst.h diff | blob | blame | history
net/core/dst.c diff | blob | blame | history
net/ipv4/fib_semantics.c diff | blob | blame | history
net/ipv4/route.c diff | blob | blame | history