write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/fs/gfs2/export.c
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@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
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  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
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- *
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- * This copyrighted material is made available to anyone wishing to use,
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- * modify, copy, or redistribute it subject to the terms and conditions
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- * of the GNU General Public License version 2.
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  */
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 #include <linux/spinlock.h>
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@@ -137,7 +134,9 @@
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 	struct gfs2_sbd *sdp = sb->s_fs_info;
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 	struct inode *inode;
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-	inode = gfs2_lookup_by_inum(sdp, inum->no_addr, &inum->no_formal_ino,
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+	if (!inum->no_formal_ino)
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+		return ERR_PTR(-ESTALE);
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+	inode = gfs2_lookup_by_inum(sdp, inum->no_addr, inum->no_formal_ino,
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 				    GFS2_BLKST_DINODE);
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 	if (IS_ERR(inode))
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 		return ERR_CAST(inode);