diff options
| author |   Elena Reshetova <elena.reshetova@intel.com> | 2017-03-06 16:20:49 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-23 13:57:19 +0100 |
| commit | 392910cf3f8a0161d3da45d02ea17f2910d9193b (patch) | |
| tree | 1b8000c1e13654b51ed58e19df0ac897a190849d /drivers/firewire/core-topology.c | |
| parent | drivers, char: convert vma_data.refcnt from atomic_t to refcount_t (diff) | |
| download | linux-dev-392910cf3f8a0161d3da45d02ea17f2910d9193b.tar.xz linux-dev-392910cf3f8a0161d3da45d02ea17f2910d9193b.zip | |
drivers, firewire: convert fw_node.ref_count 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firewire/core-topology.c')
| -rw-r--r-- | drivers/firewire/core-topology.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c index 0de83508f321..939d259ddf19 100644 --- a/drivers/firewire/core-topology.c +++ b/drivers/firewire/core-topology.c @@ -124,7 +124,7 @@ static struct fw_node *fw_node_create(u32 sid, int port_count, int color) node->initiated_reset = SELF_ID_PHY_INITIATOR(sid); node->port_count = port_count; - atomic_set(&node->ref_count, 1); + refcount_set(&node->ref_count, 1); INIT_LIST_HEAD(&node->link); return node; |