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Commit 9b96918a authored by Ramax Lo's avatar Ramax Lo Committed by Ben Dooks
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ARM: S3C: NAND: Check the existence of nr_map before copying 



Since the structure field nr_map is optional, we need to check whether the
chip number map is provided to avoid unexpected NULL pointer exception.

Signed-off-by: default avatarRamax Lo <ramaxlo@gmail.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 004b3506

arch/arm/plat-s3c/dev-nand.c

+2 −2
Original line number Diff line number Diff line
@@ -58,8 +58,8 @@ static int __init s3c_nand_copy_set(struct s3c2410_nand_set *set) 
			return -ENOMEM;

	}

	

	if (set->nr_map && set->nr_chips) {

		size = sizeof(int) * set->nr_chips;

	if (size) {

		ptr = kmemdup(set->nr_map, size, GFP_KERNEL);

		set->nr_map = ptr;