qcacld-3.0: Free llstats buffer if get fails

__wlan_hdd_open_ll_stats_debugfs() fails to free the llstats buffer in
the event that wlan_hdd_ll_stats_get() fails. Add error handling for
this call which frees the newly allocated buffer.

Change-Id: Ic5cff77a758ff81da82dd1143d77da68d87b9291
CRs-Fixed: 2304715
1 file changed