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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-17 10:02:59 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-24 18:39:43 -0400 |
| commit | 9403c9c598e91d473c0582066e47ed2289292e45 (patch) | |
| tree | 95f3da790bd27de1b4a16e1f1f6f3952d274b8ab /fs/cifs/cifsfs.c | |
| parent | 5c4f1ad7c6aa3b729bd3a93b80f9417d7e978c32 (diff) | |
| download | lwn-9403c9c598e91d473c0582066e47ed2289292e45.tar.gz lwn-9403c9c598e91d473c0582066e47ed2289292e45.zip | |
cifs: propagate errors from cifs_get_root() to mount(2)
... instead of just failing with -EINVAL
Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/cifs/cifsfs.c')
| -rw-r--r-- | fs/cifs/cifsfs.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 9a6696a5eb78..35f9154615fa 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -554,7 +554,7 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) full_path = cifs_build_path_to_root(vol, cifs_sb, cifs_sb_master_tcon(cifs_sb)); if (full_path == NULL) - return NULL; + return ERR_PTR(-ENOMEM); cFYI(1, "Get root dentry for %s", full_path); @@ -583,7 +583,7 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) dchild = d_alloc(dparent, &name); if (dchild == NULL) { dput(dparent); - dparent = NULL; + dparent = ERR_PTR(-ENOMEM); goto out; } } @@ -601,7 +601,7 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) if (rc) { dput(dchild); dput(dparent); - dparent = NULL; + dparent = ERR_PTR(rc); goto out; } alias = d_materialise_unique(dchild, inode); @@ -609,7 +609,7 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) dput(dchild); if (IS_ERR(alias)) { dput(dparent); - dparent = NULL; + dparent = ERR_PTR(-EINVAL); /* XXX */ goto out; } dchild = alias; @@ -704,10 +704,8 @@ cifs_do_mount(struct file_system_type *fs_type, } root = cifs_get_root(volume_info, sb); - if (root == NULL) { - root = ERR_PTR(-EINVAL); /* XXX */ + if (IS_ERR(root)) goto out_super; - } cFYI(1, "dentry root is: %p", root); goto out; |