param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes.
param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes.

Since it can be changed via sysfs, we need to make a copy.  This most
generic way of doing this is to keep a flag so we know when to free it.

Signed-off-by: Rusty Russell <df9728c9e5104131c08c7adb03af425394842596@rustcorp.com.au>
Reviewed-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>
Cc: Dan Williams <aeade43d0f8ae14e7c44fa81fe17c1635ae376fe@redhat.com>
Cc: John W. Linville <2a53bac7a5d324865ef46ec4c38b2c0fba1456b4@tuxdriver.com>
Cc: 8e364c0f5aaecc4d6f04ea722cedfef697c5acc4@lists.infradead.org
Cc: f74286e6560323ac86a4fee75575f04dd9aa6ad3@vger.kernel.org
Cc: 1099b3bee480025a15c1b622ecdea77a1d6d7166@vger.kernel.org

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