wl1251: fix channel setting in wl1251_op_config()
wl1251: fix channel setting in wl1251_op_config()

There is a bug in wl1251_op_config(). It was calling join with previous
channel. Fix it by setting assigning wl->channel before calling join command.

Signed-off-by: Kalle Valo <caa20ba0e0e4cb20683f1eb6eacae433f722076d@nokia.com>
Reviewed-by: Vidhya Govindan <daffde497d840ba7cb9af93e2f3536c344f8c589@nokia.com>
Signed-off-by: John W. Linville <2a53bac7a5d324865ef46ec4c38b2c0fba1456b4@tuxdriver.com>

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