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mtd: afs: break out v1 footer magic to a define

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Break out the magic number to a #defined constant.

Cc: Ryan Harkin <ryan.harkin@linaro.org>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Linus Walleij 2015-10-15 15:08:46 +02:00 committed by Brian Norris
parent 8cf980185d
commit 9498440fff
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/afs.c
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@ -34,6 +34,8 @@
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#define AFSV1_FOOTER_MAGIC 0xA0FFFF9F
struct footer_v1 {
u32 image_info_base; /* Address of first word of ImageFooter */
u32 image_start; /* Start of area reserved by this footer */
@ -90,7 +92,7 @@ afs_read_footer_v1(struct mtd_info *mtd, u_int *img_start, u_int *iis_start,
/*
* Does it contain the magic number?
*/
if (fs.signature != 0xa0ffff9f)
if (fs.signature != AFSV1_FOOTER_MAGIC)
ret = 0;
/*