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Call devfs_populate_vp() from devfs_getattr(). It was possible that

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fstat(2) returned stale information through an open file descriptor.
This commit is contained in:
jh 2010-08-25 15:29:12 +00:00
parent d2b87ab576
commit 4a4bf3c511
1 changed files with 9 additions and 1 deletions
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10
sys/fs/devfs/devfs_vnops.c
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@ -618,10 +618,18 @@ devfs_getattr(struct vop_getattr_args *ap)
{
struct vnode *vp = ap->a_vp;
struct vattr *vap = ap->a_vap;
int error = 0;
int error;
struct devfs_dirent *de;
struct devfs_mount *dmp;
struct cdev *dev;
error = devfs_populate_vp(vp);
if (error != 0)
return (error);
dmp = VFSTODEVFS(vp->v_mount);
sx_xunlock(&dmp->dm_lock);
de = vp->v_data;
KASSERT(de != NULL, ("Null dirent in devfs_getattr vp=%p", vp));
if (vp->v_type == VDIR) {