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Commit 095751a6 authored by Matthieu CASTET's avatar Matthieu CASTET Committed by Artem Bityutskiy
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UBI: generate random image_seq when formatting MTD devices 



Generate random image_seq when attaching empty MTD device (kernel do the
ubi formating).

Signed-off-by: default avatarMatthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent 1a49af2c

drivers/mtd/ubi/scan.c

+2 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include <linux/slab.h>

#include <linux/crc32.h>

#include <linux/math64.h>

#include <linux/random.h>

#include "ubi.h"



#ifdef CONFIG_MTD_UBI_DEBUG_PARANOID
@@ -956,6 +957,7 @@ static int check_what_we_have(const struct ubi_device *ubi, 
			 */

			si->is_empty = 1;

			ubi_msg("empty MTD device detected");

			get_random_bytes(&ubi->image_seq, sizeof(ubi->image_seq));

		} else {

			ubi_err("MTD device possibly contains non-UBI data, "

				"refusing it");