The check_mtab function in client/mount.cifs.c in mount.cifs in smbfs in...

0, 1.9.17, 1.9.18, 2.0, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.5a, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.2, 2.2.0, 2.2.0a, 2.2.1, 2.2.1a, 2.2.2, 2.2.3, 2.2.3a, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.7a, 2.2.8, 2.2.8a, 2.2.9, 2.2.10, 2.2.11, 2.2.12, 2.2a, 2.18.3, 3.0.0, 3.0.1, 3.0.2, 3.0.2a, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.14a, 3.0.15, 3.0.16, 3.0.17, 3.0.18, 3.0.19, 3.0.20, 3.0.20a, 3.0.20b, 3.0.21, 3.0.21a, 3.0.21b, 3.0.21c, 3.0.22, 3.0.23, 3.0.23a, 3.0.23b, 3.0.23c, 3.0.23d, 3.0.24, 3.0.25, 3.0.25a, 3.0.25b, 3.0.25c, 3.0.26, 3.0.26a, 3.0.27, 3.0.28, 3.0.29, 3.0.30, 3.0.31, 3.0.32, 3.0.33, 3.0.34, 3.0.35, 3.0.36, 3.0.37, 3.1.0, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7, 3.2.8, 3.2.9, 3.2.10, 3.2.11, 3.2.12, 3.2.13, 3.2.14, 3.2.15, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 3.3.6, 3.3.7, 3.3.8, 3.3.9, 3.3.10, 3.3.11, 3.3.12, 3.3.13, 3.3.14, 3.3.15, 3.3.16, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 3.4.5, 3.4.6, 3.4.7, 3.4.8, 3.4.9, 3.4.10, 3.4.11, 3.4.12, 3.4.13, 3.4.14, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5, 3.5.6, 3.5.7, 3.5.8, 3.5.9