add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/mtd/chips/gen_probe.c
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@@ -20,7 +20,7 @@
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 struct mtd_info *mtd_do_chip_probe(struct map_info *map, struct chip_probe *cp)
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 {
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-	struct mtd_info *mtd = NULL;
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+	struct mtd_info *mtd;
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 	struct cfi_private *cfi;
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 	/* First probe the map to see if we have CFI stuff there. */
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@@ -135,7 +135,7 @@
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 	 * our caller, and copy the appropriate data into them.
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 	 */
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-	retcfi = kmalloc(sizeof(struct cfi_private) + cfi.numchips * sizeof(struct flchip), GFP_KERNEL);
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+	retcfi = kmalloc(struct_size(retcfi, chips, cfi.numchips), GFP_KERNEL);
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 	if (!retcfi) {
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 		kfree(cfi.cfiq);