From: Chris Packham <judge.packham@gmail.com>
Date: Tue, 22 Oct 2019 07:05:25 +0000 (+1300)
Subject: ARM: mvebu: don't dereference null bd pointer
X-Git-Tag: baikal/mips/sdk5.9~683^2~1
X-Git-Url: https://git.baikalelectronics.ru/?a=commitdiff_plain;h=7960b905c4437ffa3643ee67680d32c413b53a25;p=uboot.git

ARM: mvebu: don't dereference null bd pointer

As mentioned in doc/README.arm-relocation gd->bd is not available in
dram_init() so we shouldn't attempt to access it.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
---

diff --git a/arch/arm/mach-mvebu/dram.c b/arch/arm/mach-mvebu/dram.c
index fa8c799a46..ba8ebc6288 100644
--- a/arch/arm/mach-mvebu/dram.c
+++ b/arch/arm/mach-mvebu/dram.c
@@ -281,16 +281,6 @@ int dram_init(void)
 			size = MVEBU_SDRAM_SIZE_MAX;
 	}
 
-	for (; i < CONFIG_NR_DRAM_BANKS; i++) {
-		/* If above loop terminated prematurely, we need to set
-		 * remaining banks' start address & size as 0. Otherwise other
-		 * u-boot functions and Linux kernel gets wrong values which
-		 * could result in crash */
-		gd->bd->bi_dram[i].start = 0;
-		gd->bd->bi_dram[i].size = 0;
-	}
-
-
 	if (ecc_enabled())
 		dram_ecc_scrubbing();