0/0x127
 [<c10258da>] ? vprintk+0x394/0x3b1
 [<f801f4c9>] ? ath6kl_debug_fwlog_event+0x9c/0x10a
 [<c10676b3>] lock_acquire+0xda/0xf9
 [<f801f4c9>] ? ath6kl_debug_fwlog_event+0x9c/0x10a
 [<c1532ce3>] _raw_spin_lock+0x28/0x58
 [<f801f4c9>] ? ath6kl_debug_fwlog_event+0x9c/0x10a
 [<f801f4c9>] ath6kl_debug_fwlog_event+0x9c/0x10a
 [<f80310a4>] ath6kl_wmi_control_rx+0x69d/0xb50 [ath6kl_core]
 [<f802d2e1>] ? ath6kl_rx+0x3c/0x839 [ath6kl_core]
 [<f802d35d>] ath6kl_rx+0xb8/0x839 [ath6kl_core]
 [<c104b81e>] ? local_clock+0x2d/0x4e
 [<c102a0af>] ? _local_bh_enable_ip+0x94/0x98
 [<f802bfc0>] ? ath6kl_alloc_amsdu_rxbuf+0xb7/0xb7
 [<f8023b28>] ath6kl_htc_rxmsg_pending_handler+0x891/0x988 [ath6kl_core]
 [<f802bf00>] ? ath6kl_refill_amsdu_rxbufs+0x89/0x92
 [<f802d2a5>] ? aggr_timeout+0xed/0xed [ath6kl_core]
 [<f802bfc0>] ? ath6kl_alloc_amsdu_rxbuf+0xb7/0xb7
 [<f802c420>] ? ath6kl_tx_complete+0x376/0x376 [ath6kl_core]
 [<f8020e92>] ath6kl_hif_intr_bh_handler+0xf7/0x33e
 [<c138ab00>] ? mmc_host_disable+0x15/0x3a
 [<f8123b5c>] ath6kl_sdio_irq_handler+0x3c/0x90 [ath6kl_sdio]
 [<c1392f56>] sdio_irq_thread+0xb6/0x29c
 [<c1392ea0>] ? sdio_claim_irq+0x1cb/0x1cb
 [<c103d4c0>] kthread+0x67/0x6c
 [<c103d459>] ? __init_kthread_worker+0x42/0x42
 [<c153903a>] kernel_thread_helper+0x6/0xd
 BUG: unable to handle kernel NULL pointer dereference at
EIP: [<f801f4d4>] ath6kl_debug_fwlog_event+0xa7/0x10a

kvalo: rename new function to ath6kl_debug_init_fs() and add a comment
why it's needed

Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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