configfs: Fix a reference leak in configfs_mkdir().
configfs: Fix a reference leak in configfs_mkdir().

configfs_mkdir() failed to release the working parent reference in most
exit paths.  Also changed the exit path for readability.

Signed-off-by: Joel Becker <823d0e2e55da83c1616b20ae9a15f9456fa076e5@oracle.com>
Signed-off-by: Mark Fasheh <3dfef03b24d35cb667816693d0487c922cd46885@oracle.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs