export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/fs/nilfs2/btree.c
..
..
@@ -480,9 +480,18 @@
480
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 	ret = nilfs_btnode_submit_block(btnc, ptr, 0, REQ_OP_READ, 0, &bh,
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481
 					&submit_ptr);
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 	if (ret) {
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-		if (ret != -EEXIST)
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-			return ret;
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-		goto out_check;
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+		if (likely(ret == -EEXIST))
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+			goto out_check;
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+		if (ret == -ENOENT) {
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+			/*
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+			 * Block address translation failed due to invalid
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+			 * value of 'ptr'.  In this case, return internal code
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+			 * -EINVAL (broken bmap) to notify bmap layer of fatal
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+			 * metadata corruption.
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+			 */
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+			ret = -EINVAL;
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+		}
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+		return ret;
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 	}
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496
 
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 	if (ra) {