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Do not call smbfs_attr_cacheremove() in the EXDEV case in smbfs_rename().

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One of the vnodes is on different mount and is possibly on a different
kind of filesystem; treating it as an smbfs vnode then writing to it
will probably corrupt it.

PR:		48381
MFC after:	1 month
This commit is contained in:
Tim J. Robbins 2003-02-19 11:54:35 +00:00
parent a44a414e11
commit 6dae0c1e3e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111127
1 changed files with 9 additions and 5 deletions
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14
sys/fs/smbfs/smbfs_vnops.c
View file

@ -624,8 +624,10 @@ smbfs_rename(ap)
flags |= 2;
} else if (fvp->v_type == VREG) {
flags |= 1;
} else
return EINVAL;
} else {
error = EINVAL;
goto out;
}
smb_makescred(&scred, tcnp->cn_thread, tcnp->cn_cred);
/*
* It seems that Samba doesn't implement SMB_COM_MOVE call...
@ -643,7 +645,7 @@ smbfs_rename(ap)
if (tvp && tvp != fvp) {
error = smbfs_smb_delete(VTOSMB(tvp), &scred);
if (error)
goto out;
goto out_cacherem;
}
error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
tcnp->cn_nameptr, tcnp->cn_namelen, &scred);
@ -654,6 +656,10 @@ smbfs_rename(ap)
cache_purge(tdvp);
cache_purge(fdvp);
}
out_cacherem:
smbfs_attr_cacheremove(fdvp);
smbfs_attr_cacheremove(tdvp);
out:
if (tdvp == tvp)
vrele(tdvp);
@ -663,8 +669,6 @@ smbfs_rename(ap)
vput(tvp);
vrele(fdvp);
vrele(fvp);
smbfs_attr_cacheremove(fdvp);
smbfs_attr_cacheremove(tdvp);
#ifdef possible_mistake
vgone(fvp);
if (tvp)