1 files changed, 56 insertions, 42 deletions

diff --git a/fs/open.c b/fs/open.c
index 2fac58c51910..f0d90cf0495c 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -738,52 +738,15 @@ asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
         return error;
 }
 
-/*
- * Note that while the flag value (low two bits) for sys_open means:
- *      00 - read-only
- *      01 - write-only
- *      10 - read-write
- *      11 - special
- * it is changed into
- *      00 - no permissions needed
- *      01 - read-permission
- *      10 - write-permission
- *      11 - read-write
- * for the internal routines (ie open_namei()/follow_link() etc). 00 is
- * used by symlinks.
- */
-struct file *filp_open(const char * filename, int flags, int mode)
-{
-        int namei_flags, error;
-        struct nameidata nd;
-
-        namei_flags = flags;
-        if ((namei_flags+1) & O_ACCMODE)
-                namei_flags++;
-        if (namei_flags & O_TRUNC)
-                namei_flags |= 2;
-
-        error = open_namei(filename, namei_flags, mode, &nd);
-        if (!error)
-                return dentry_open(nd.dentry, nd.mnt, flags);
-
-        return ERR_PTR(error);
-}
-
-EXPORT_SYMBOL(filp_open);
-
-struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
+static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
+                                        int flags, struct file *f)
 {
-        struct file * f;
         struct inode *inode;
         int error;
 
-        error = -ENFILE;
-        f = get_empty_filp();
-        if (!f)
-                goto cleanup_dentry;
         f->f_flags = flags;
-        f->f_mode = ((flags+1) & O_ACCMODE) | FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE;
+        f->f_mode = ((flags+1) & O_ACCMODE) | FMODE_LSEEK |
+                                FMODE_PREAD | FMODE_PWRITE;
         inode = dentry->d_inode;
         if (f->f_mode & FMODE_WRITE) {
                 error = get_write_access(inode);
@@ -828,12 +791,63 @@ cleanup_all:
         f->f_vfsmnt = NULL;
 cleanup_file:
         put_filp(f);
-cleanup_dentry:
         dput(dentry);
         mntput(mnt);
         return ERR_PTR(error);
 }
 
+/*
+ * Note that while the flag value (low two bits) for sys_open means:
+ *      00 - read-only
+ *      01 - write-only
+ *      10 - read-write
+ *      11 - special
+ * it is changed into
+ *      00 - no permissions needed
+ *      01 - read-permission
+ *      10 - write-permission
+ *      11 - read-write
+ * for the internal routines (ie open_namei()/follow_link() etc). 00 is
+ * used by symlinks.
+ */
+struct file *filp_open(const char * filename, int flags, int mode)
+{
+        int namei_flags, error;
+        struct nameidata nd;
+        struct file *f;
+
+        namei_flags = flags;
+        if ((namei_flags+1) & O_ACCMODE)
+                namei_flags++;
+        if (namei_flags & O_TRUNC)
+                namei_flags |= 2;
+
+        error = -ENFILE;
+        f = get_empty_filp();
+        if (f == NULL)
+                return ERR_PTR(error);
+
+        error = open_namei(filename, namei_flags, mode, &nd);
+        if (!error)
+                return __dentry_open(nd.dentry, nd.mnt, flags, f);
+
+        put_filp(f);
+        return ERR_PTR(error);
+}
+EXPORT_SYMBOL(filp_open);
+
+struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
+{
+        int error;
+        struct file *f;
+
+        error = -ENFILE;
+        f = get_empty_filp();
+        if (f == NULL)
+                return ERR_PTR(error);
+
+        return __dentry_open(dentry, mnt, flags, f);
+}
 EXPORT_SYMBOL(dentry_open);
 
 /*