bna: remove redundant NULL test before release_firmware()
bna: remove redundant NULL test before release_firmware()

release_firmware() does its own NULL test so explicit test before call
is unneeded.

Signed-off-by: Jesper Juhl <7323a5431d1c31072983a6a5bf23745b655ddf59@chaosbits.net>
Acked-by: Rasesh Mody <c8223c19d631070969ce617784c0b15ffe536245@brocade.com>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

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