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-rw-r--r--fs/cifs/cifsfs.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index a47fa44b6d52..2b1a1c029c75 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -266,22 +266,24 @@ static void cifs_kill_sb(struct super_block *sb)
* before we kill the sb.
*/
if (cifs_sb->root) {
+ for (node = rb_first(root); node; node = rb_next(node)) {
+ tlink = rb_entry(node, struct tcon_link, tl_rbnode);
+ tcon = tlink_tcon(tlink);
+ if (IS_ERR(tcon))
+ continue;
+ cfid = &tcon->crfid;
+ mutex_lock(&cfid->fid_mutex);
+ if (cfid->dentry) {
+ dput(cfid->dentry);
+ cfid->dentry = NULL;
+ }
+ mutex_unlock(&cfid->fid_mutex);
+ }
+
+ /* finally release root dentry */
dput(cifs_sb->root);
cifs_sb->root = NULL;
}
- node = rb_first(root);
- while (node != NULL) {
- tlink = rb_entry(node, struct tcon_link, tl_rbnode);
- tcon = tlink_tcon(tlink);
- cfid = &tcon->crfid;
- mutex_lock(&cfid->fid_mutex);
- if (cfid->dentry) {
- dput(cfid->dentry);
- cfid->dentry = NULL;
- }
- mutex_unlock(&cfid->fid_mutex);
- node = rb_next(node);
- }
kill_anon_super(sb);
cifs_umount(cifs_sb);
@@ -944,7 +946,7 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
ssize_t rc;
struct inode *inode = file_inode(iocb->ki_filp);
- if (iocb->ki_filp->f_flags & O_DIRECT)
+ if (iocb->ki_flags & IOCB_DIRECT)
return cifs_user_readv(iocb, iter);
rc = cifs_revalidate_mapping(inode);