ibmvfc: prevent a potential deadlock

My static checker complains that we need to unlock on this path.  Seems
true.

Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Brian King <[email protected]>
Reviewed-by: Ewan D. Milne <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
1 file changed