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Commit dec7e649 authored by Gen Zhang's avatar Gen Zhang Committed by Mike Snitzer
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dm init: fix incorrect uses of kstrndup() 



Fix 2 kstrndup() calls with incorrect argument order.

Fixes: 6bbc923d ("dm: add support to directly boot to a mapped device")
Cc: stable@vger.kernel.org # v5.1
Signed-off-by: default avatarGen Zhang <blackgod016574@gmail.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 9e0babf2

drivers/md/dm-init.c

+3 −3
Original line number Diff line number Diff line
@@ -140,8 +140,8 @@ static char __init *dm_parse_table_entry(struct dm_device *dev, char *str) 
		return ERR_PTR(-EINVAL);

	}

	/* target_args */

	dev->target_args_array[n] = kstrndup(field[3], GFP_KERNEL,

					     DM_MAX_STR_SIZE);

	dev->target_args_array[n] = kstrndup(field[3], DM_MAX_STR_SIZE,

					     GFP_KERNEL);

	if (!dev->target_args_array[n])

		return ERR_PTR(-ENOMEM);
@@ -275,7 +275,7 @@ static int __init dm_init_init(void) 
		DMERR("Argument is too big. Limit is %d\n", DM_MAX_STR_SIZE);

		return -EINVAL;

	}

	str = kstrndup(create, GFP_KERNEL, DM_MAX_STR_SIZE);

	str = kstrndup(create, DM_MAX_STR_SIZE, GFP_KERNEL);

	if (!str)

		return -ENOMEM;