export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/fs/ext4/fsmap.c
..
..
@@ -486,6 +486,8 @@
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 		keys[0].fmr_physical = bofs;
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 	if (keys[1].fmr_physical >= eofs)
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 		keys[1].fmr_physical = eofs - 1;
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+	if (keys[1].fmr_physical < keys[0].fmr_physical)
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+		return 0;
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 	start_fsb = keys[0].fmr_physical;
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 	end_fsb = keys[1].fmr_physical;
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