x86: Fix boot on Twinhead H12Y

[firefly-linux-kernel-4.4.55.git] / fs / cifs / inode.c

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9b018c8334fa1d67bf090db12f8821700341c1df..745e5cdca8f7f75b27b2d56d631051c11733f9e4 100644 (file)
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -562,7 +562,16 @@ int cifs_get_file_info(struct file *filp)
 
        xid = GetXid();
        rc = CIFSSMBQFileInfo(xid, tcon, cfile->netfid, &find_data);
-       if (rc == -EOPNOTSUPP || rc == -EINVAL) {
+       switch (rc) {
+       case 0:
+               cifs_all_info_to_fattr(&fattr, &find_data, cifs_sb, false);
+               break;
+       case -EREMOTE:
+               cifs_create_dfs_fattr(&fattr, inode->i_sb);
+               rc = 0;
+               break;
+       case -EOPNOTSUPP:
+       case -EINVAL:
                /*
                 * FIXME: legacy server -- fall back to path-based call?
                 * for now, just skip revalidating and mark inode for
@@ -570,18 +579,14 @@ int cifs_get_file_info(struct file *filp)
                 */
                rc = 0;
                CIFS_I(inode)->time = 0;
+       default:
                goto cgfi_exit;
-       } else if (rc == -EREMOTE) {
-               cifs_create_dfs_fattr(&fattr, inode->i_sb);
-               rc = 0;
-       } else if (rc)
-               goto cgfi_exit;
+       }
 
        /*
         * don't bother with SFU junk here -- just mark inode as needing
         * revalidation.
         */
-       cifs_all_info_to_fattr(&fattr, &find_data, cifs_sb, false);
        fattr.cf_uniqueid = CIFS_I(inode)->uniqueid;
        fattr.cf_flags |= CIFS_FATTR_NEED_REVAL;
        cifs_fattr_to_inode(inode, &fattr);
@@ -764,20 +769,10 @@ char *cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
        if (full_path == NULL)
                return full_path;
 
-       if (dfsplen) {
+       if (dfsplen)
                strncpy(full_path, tcon->treeName, dfsplen);
-               /* switch slash direction in prepath depending on whether
-                * windows or posix style path names
-                */
-               if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) {
-                       int i;
-                       for (i = 0; i < dfsplen; i++) {
-                               if (full_path[i] == '\\')
-                                       full_path[i] = '/';
-                       }
-               }
-       }
        strncpy(full_path + dfsplen, vol->prepath, pplen);
+       convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
        full_path[dfsplen + pplen] = 0; /* add trailing null */
        return full_path;
 }