Commit 58f94df2 authored Jul 28, 2015 by Dinesh K Garg

md: Set tfm NULL if crypto mode is not available



Currently, dm-req-crypt module destroys dm-req-crypt device if
crypto algorithm is not available. However, it does not set tfm to
NULL which is checked in destructor before releasing tfm. Adding a
NULL assignment to tfm so that destructor does not try to deallocate
tfm which was not allocated.

Change-Id: Id1bfcf45b7b1fe58db0147ec7c27aa585e8d970e
Signed-off-by: Dinesh K Garg <dineshg@codeaurora.org>

parent 3380d16c

drivers/md/dm-req-crypt.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1193,6 +1193,7 @@ static int req_crypt_ctr(struct dm_target ti, unsigned int argc, char *argv)
		DMERR("%s ablkcipher tfm allocation failed : error\n",
		__func__);
		err = DM_REQ_CRYPT_ERROR;
		tfm = NULL;
		goto ctr_exit;
		}