hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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: Ramax Lo <ramaxlo@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ramax Lo 2010-01-14 10:15:05 +08:00 committed by Ben Dooks
parent 004b350632
commit 9b96918a97
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/plat-s3c/dev-nand.c
View File

@ -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;