[media] cx231xx: fix double lock typo
[media] cx231xx: fix double lock typo

This was supposed to be an unlock on the error path.

Signed-off-by: Dan Carpenter <72501f147b2753e6660fdce744d9ac3084854f5e@gmail.com>
Acked-by: Devin Heitmueller <039f3b3c9b432027eb8868e4a734444e1ca005b6@hauppauge.com>
Cc: Palash Bandyopadhyay <f4bf23ee611f0dc189110542f82da7479660ee37@conexant.com>
Cc: Sri Deevi <1f68f70eeed398e981629e3a8674799adc3a67a9@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

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