diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-06-30 13:08:08 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-01 17:39:09 +0300 |
| commit | c122e14df2d64311d1f0c0bbf4d8f42a7a8baf41 (patch) | |
| tree | 124cc4cd33a74c741a7f611b2143a37b00c0e19c /net/core/net-sysfs.c | |
| parent | edcb691871b27c3cc463b7291afe75f1c3423406 (diff) | |
| download | linux-c122e14df2d64311d1f0c0bbf4d8f42a7a8baf41.tar.xz | |
net: convert net.passive 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/core/net-sysfs.c')
| -rw-r--r-- | net/core/net-sysfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index fe7e145c543c..b4f9922b6f23 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1448,7 +1448,7 @@ static void *net_grab_current_ns(void) struct net *ns = current->nsproxy->net_ns; #ifdef CONFIG_NET_NS if (ns) - atomic_inc(&ns->passive); + refcount_inc(&ns->passive); #endif return ns; } |