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authorSteve French <sfrench@us.ibm.com>2009-04-12 20:18:40 +0200
committerSteve French <sfrench@us.ibm.com>2009-04-17 03:26:49 +0200
commitbc8cd4390c9129fbd286b10fa99972dfb68cd069 (patch)
tree1092fce44f8b785eb7be1b59d9c6215aa56d44c1 /fs/cifs
parent[CIFS] Add support for posix open during lookup (diff)
downloadlinux-bc8cd4390c9129fbd286b10fa99972dfb68cd069.tar.xz
linux-bc8cd4390c9129fbd286b10fa99972dfb68cd069.zip
[CIFS] Fix sparse warnings
Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> CC: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/dir.c26
-rw-r--r--fs/cifs/file.c4
2 files changed, 18 insertions, 12 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index d9006b04324e..e937da7522ef 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -149,7 +149,7 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle,
pCifsFile->pid = current->tgid;
pCifsFile->pInode = newinode;
pCifsFile->invalidHandle = false;
- pCifsFile->closePend = false;
+ pCifsFile->closePend = false;
mutex_init(&pCifsFile->fh_mutex);
mutex_init(&pCifsFile->lock_mutex);
INIT_LIST_HEAD(&pCifsFile->llist);
@@ -162,20 +162,18 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle,
pCifsInode = CIFS_I(newinode);
if (pCifsInode) {
/* if readable file instance put first in list*/
- if (write_only) {
+ if (write_only)
list_add_tail(&pCifsFile->flist,
&pCifsInode->openFileList);
- } else {
- list_add(&pCifsFile->flist,
- &pCifsInode->openFileList);
- }
+ else
+ list_add(&pCifsFile->flist, &pCifsInode->openFileList);
+
if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
pCifsInode->clientCanCacheAll = true;
pCifsInode->clientCanCacheRead = true;
- cFYI(1, ("Exclusive Oplock inode %p",
- newinode));
+ cFYI(1, ("Exclusive Oplock inode %p", newinode));
} else if ((oplock & 0xF) == OPLOCK_READ)
- pCifsInode->clientCanCacheRead = true;
+ pCifsInode->clientCanCacheRead = true;
}
write_unlock(&GlobalSMBSeslock);
}
@@ -668,6 +666,16 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
parent_dir_inode->i_sb, mode,
nd->intent.open.flags, &oplock,
&fileHandle, xid);
+ /*
+ * This code works around a bug in
+ * samba posix open in samba versions 3.3.1
+ * and earlier where create works
+ * but open fails with invalid parameter.
+ * If either of these error codes are
+ * returned, follow the normal lookup.
+ * Otherwise, the error during posix open
+ * is handled.
+ */
if ((rc != -EINVAL) && (rc != -EOPNOTSUPP))
posix_open = true;
}
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 48c9ae09f3d6..50ca088d8860 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -307,11 +307,9 @@ int cifs_open(struct inode *inode, struct file *file)
rc = 0;
FreeXid(xid);
return rc;
- } else {
- if ((file->f_flags & O_CREAT) && (file->f_flags & O_EXCL))
+ } else if ((file->f_flags & O_CREAT) && (file->f_flags & O_EXCL))
cERROR(1, ("could not find file instance for "
"new file %p", file));
- }
full_path = build_path_from_dentry(file->f_path.dentry);
if (full_path == NULL) {