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git.proxmox.com Git - mirror_zfs.git/commit - module/zfs/zfs_vfsops.c
Fix zfs_sb_teardown/zfs_resume_fs NULL dereference
Fix a pair of conditions in which a concurrent umount can cause
NULL pointer dereferences:
* zfs_sb_teardown - prevent a NULL dereference by not calling
dmu_objset_pool with a null z_os.
* zfs_resume_fs - don't try to unmount with a null z_os. This
change makes the ZoL code more consistent
with both Illumos and FreeBSD.
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1543