coda: deal correctly with allocation failure from coda_cnode_makectl()
lookup should fail with ENOMEM, not silently make dentry negative.
Switched to saner calling conventions, while we are at it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/coda/cnode.c b/fs/coda/cnode.c
index 6475877..8af67c9 100644
--- a/fs/coda/cnode.c
+++ b/fs/coda/cnode.c
@@ -156,19 +156,16 @@
}
/* the CONTROL inode is made without asking attributes from Venus */
-int coda_cnode_makectl(struct inode **inode, struct super_block *sb)
+struct inode *coda_cnode_makectl(struct super_block *sb)
{
- int error = -ENOMEM;
-
- *inode = new_inode(sb);
- if (*inode) {
- (*inode)->i_ino = CTL_INO;
- (*inode)->i_op = &coda_ioctl_inode_operations;
- (*inode)->i_fop = &coda_ioctl_operations;
- (*inode)->i_mode = 0444;
- error = 0;
+ struct inode *inode = new_inode(sb);
+ if (inode) {
+ inode->i_ino = CTL_INO;
+ inode->i_op = &coda_ioctl_inode_operations;
+ inode->i_fop = &coda_ioctl_operations;
+ inode->i_mode = 0444;
+ return inode;
}
-
- return error;
+ return ERR_PTR(-ENOMEM);
}
diff --git a/fs/coda/coda_fs_i.h b/fs/coda/coda_fs_i.h
index e35071b..1c17446f 100644
--- a/fs/coda/coda_fs_i.h
+++ b/fs/coda/coda_fs_i.h
@@ -51,7 +51,7 @@
int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
-int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
+struct inode *coda_cnode_makectl(struct super_block *sb);
struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 83d2fd8..df0f9c1 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -111,7 +111,7 @@
/* control object, create inode on the fly */
if (coda_isroot(dir) && coda_iscontrol(name, length)) {
- error = coda_cnode_makectl(&inode, dir->i_sb);
+ inode = coda_cnode_makectl(dir->i_sb);
type = CODA_NOCACHE;
goto exit;
}
@@ -125,7 +125,7 @@
return ERR_PTR(error);
exit:
- if (inode && (type & CODA_NOCACHE))
+ if (inode && !IS_ERR(inode) && (type & CODA_NOCACHE))
coda_flag_inode(inode, C_VATTR | C_PURGE);
return d_splice_alias(inode, entry);