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Diffstat (limited to 'fs/gfs2/ops_inode.c')
-rw-r--r--fs/gfs2/ops_inode.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 09e436a50723..1005f9eb456e 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -162,6 +162,10 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
if (error)
goto out_child;
+ error = -ENOENT;
+ if (inode->i_nlink == 0)
+ goto out_gunlock;
+
error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC, 0);
if (error)
goto out_gunlock;
@@ -335,6 +339,10 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
if (error)
goto out_child;
+ error = -ENOENT;
+ if (ip->i_inode.i_nlink == 0)
+ goto out_rgrp;
+
error = gfs2_glock_nq(ghs + 2); /* rgrp */
if (error)
goto out_rgrp;
@@ -589,6 +597,10 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry)
if (error)
goto out_child;
+ error = -ENOENT;
+ if (ip->i_inode.i_nlink == 0)
+ goto out_rgrp;
+
error = gfs2_glock_nq(ghs + 2); /* rgrp */
if (error)
goto out_rgrp;
@@ -792,6 +804,10 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
}
+ error = -ENOENT;
+ if (ip->i_inode.i_nlink == 0)
+ goto out_gunlock;
+
/* Check out the old directory */
error = gfs2_unlink_ok(odip, &odentry->d_name, ip);
@@ -805,6 +821,11 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
if (error)
goto out_gunlock;
+ if (nip->i_inode.i_nlink == 0) {
+ error = -EAGAIN;
+ goto out_gunlock;
+ }
+
if (S_ISDIR(nip->i_inode.i_mode)) {
if (nip->i_entries < 2) {
if (gfs2_consist_inode(nip))
@@ -835,7 +856,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
if (odip != ndip) {
if (!ndip->i_inode.i_nlink) {
- error = -EINVAL;
+ error = -ENOENT;
goto out_gunlock;
}
if (ndip->i_entries == (u32)-1) {