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author | Steven Hartland <smh@freebsd.org> | 2013-08-06 09:50:40 -0800 |
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committer | Christopher Siden <chris.siden@delphix.com> | 2013-08-06 10:50:40 -0700 |
commit | a0c1127b147dc6a0372b141deb8c0c2b0195b8ea (patch) | |
tree | 4c18302305e6004ab9925bc1aef646071edc0e36 | |
parent | 7c6d7024e51780d3aacf9063d2133c1e957d7eea (diff) | |
download | illumos-joyent-a0c1127b147dc6a0372b141deb8c0c2b0195b8ea.tar.gz |
3973 zfs_ioc_rename alters passed in zc->zc_name
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>
-rw-r--r-- | usr/src/uts/common/fs/zfs/zfs_ioctl.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/usr/src/uts/common/fs/zfs/zfs_ioctl.c b/usr/src/uts/common/fs/zfs/zfs_ioctl.c index ec44fe871b..e8fd90459e 100644 --- a/usr/src/uts/common/fs/zfs/zfs_ioctl.c +++ b/usr/src/uts/common/fs/zfs/zfs_ioctl.c @@ -3552,18 +3552,25 @@ zfs_ioc_rename(zfs_cmd_t *zc) at = strchr(zc->zc_name, '@'); if (at != NULL) { /* snaps must be in same fs */ + int error; + if (strncmp(zc->zc_name, zc->zc_value, at - zc->zc_name + 1)) return (SET_ERROR(EXDEV)); *at = '\0'; if (zc->zc_objset_type == DMU_OST_ZFS) { - int error = dmu_objset_find(zc->zc_name, + error = dmu_objset_find(zc->zc_name, recursive_unmount, at + 1, recursive ? DS_FIND_CHILDREN : 0); - if (error != 0) + if (error != 0) { + *at = '@'; return (error); + } } - return (dsl_dataset_rename_snapshot(zc->zc_name, - at + 1, strchr(zc->zc_value, '@') + 1, recursive)); + error = dsl_dataset_rename_snapshot(zc->zc_name, + at + 1, strchr(zc->zc_value, '@') + 1, recursive); + *at = '@'; + + return (error); } else { if (zc->zc_objset_type == DMU_OST_ZVOL) (void) zvol_remove_minor(zc->zc_name); |