fs/fuse/control: fix 'warning: 'val' may be used uninitialized in this function'

Change-Id: I8ae4d1f1a741c0744c0d6e26f83b988f5fc5cf2e
Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fs/jbd/journal: fix: 'warning: 'blocknr' may be used uninitialized in this function'

Change-Id: I492321a982ebc0ca74fac6d35b371adb00749e6d
Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
fs/jbd2/journal: fix: 'warning: 'blocknr' may be used uninitialized in this function'

Change-Id: Id9da01cf6b328e9ef1a6ecf67f193fe71bca7a82
Signed-off-by: Dennis Rassmann <showp1984@gmail.com>