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If we were called to allocate a vnode that is not associated with a

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mount point, do not dereference the NULL mp argument.
This commit is contained in:
Peter Wemm 2001-12-13 23:46:01 +00:00
parent 63b42c1943
commit 9446b36bab
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=87823
1 changed files with 2 additions and 0 deletions
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2
sys/kern/vfs_subr.c
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@ -539,6 +539,8 @@ vlrureclaim(struct mount *mp, int count)
{
struct vnode *vp;
if (mp == NULL)
return;
mtx_lock(&mntvnode_mtx);
while (count && (vp = TAILQ_FIRST(&mp->mnt_nvnodelist)) != NULL) {
TAILQ_REMOVE(&mp->mnt_nvnodelist, vp, v_nmntvnodes);