diff options
| author | Dmitry Shmidt <dimitrysh@google.com> | 2017-02-09 10:59:15 -0800 |
|---|---|---|
| committer | Dmitry Shmidt <dimitrysh@google.com> | 2017-02-09 10:59:15 -0800 |
| commit | 5edfa05a10a7a545f085b5bdf1a79567b4470d4e (patch) | |
| tree | 25ff2037a52d1220f269f4a3ecb0955caf451ea5 /net/unix/af_unix.c | |
| parent | c8da41f0dc8d6cf25494b8462bf5875bda2e3568 (diff) | |
| parent | 6a1bd90632464c129ad5f9ca7c54917a6dd7cb4b (diff) | |
Merge tag 'v4.4.48' into android-4.4.y
This is the 4.4.48 stable release
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 73f75258ce46..b2e934ff2448 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -994,6 +994,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) unsigned int hash; struct unix_address *addr; struct hlist_head *list; + struct path path = { NULL, NULL }; err = -EINVAL; if (sunaddr->sun_family != AF_UNIX) @@ -1009,9 +1010,20 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; addr_len = err; + if (sun_path[0]) { + umode_t mode = S_IFSOCK | + (SOCK_INODE(sock)->i_mode & ~current_umask()); + err = unix_mknod(sun_path, mode, &path); + if (err) { + if (err == -EEXIST) + err = -EADDRINUSE; + goto out; + } + } + err = mutex_lock_interruptible(&u->bindlock); if (err) - goto out; + goto out_put; err = -EINVAL; if (u->addr) @@ -1028,16 +1040,6 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) atomic_set(&addr->refcnt, 1); if (sun_path[0]) { - struct path path; - umode_t mode = S_IFSOCK | - (SOCK_INODE(sock)->i_mode & ~current_umask()); - err = unix_mknod(sun_path, mode, &path); - if (err) { - if (err == -EEXIST) - err = -EADDRINUSE; - unix_release_addr(addr); - goto out_up; - } addr->hash = UNIX_HASH_SIZE; hash = d_real_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE - 1); spin_lock(&unix_table_lock); @@ -1064,6 +1066,9 @@ out_unlock: spin_unlock(&unix_table_lock); out_up: mutex_unlock(&u->bindlock); +out_put: + if (err) + path_put(&path); out: return err; } |