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authorReshetova, Elena <elena.reshetova@intel.com>2017-07-04 15:53:01 +0300
committerDavid S. Miller <davem@davemloft.net>2017-07-04 22:35:16 +0100
commit458bc30cec26c2716746ae215ed23773257e417d (patch)
tree692d00b3c0b0af34c20fdfe31b7a9cf6fa33e3be /net/atm/resources.c
parente0542dd5185e68247b08c3418bdba14644b4c414 (diff)
downloadlinux-stericsson-458bc30cec26c2716746ae215ed23773257e417d.tar.gz
net, atm: convert atm_dev.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: 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/atm/resources.c')
-rw-r--r--net/atm/resources.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 0447d5d0b639..918244757b7d 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -109,7 +109,7 @@ struct atm_dev *atm_dev_register(const char *type, struct device *parent,
else
memset(&dev->flags, 0, sizeof(dev->flags));
memset(&dev->stats, 0, sizeof(dev->stats));
- atomic_set(&dev->refcnt, 1);
+ refcount_set(&dev->refcnt, 1);
if (atm_proc_dev_register(dev) < 0) {
pr_err("atm_proc_dev_register failed for dev %s\n", type);