diff options
| author | xxh <xxh@rock-chips.com> | 2017-12-12 17:04:39 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2017-12-21 09:18:41 +0800 |
| commit | 21ff1d170f97e52366d77b2bc7506483b48f85e3 (patch) | |
| tree | 844247d1baffb60997eaa8fef0a32bdc673cf5eb /drivers/net/wireless/rockchip_wlan | |
| parent | 1a01eb5d1f094d8916130eaa1cc8c46af03b9a91 (diff) | |
net: wireless: rockchip_wlan: fix bcmdhd driver spin lock issue
stack backtrace:
[ 95.323698] BUG: scheduling while atomic: dhd_dpc/307/0xfffffe00
[ 95.323739] Modules linked in: bcmdhd
[ 95.323775] CPU: 3 PID: 307 Comm: dhd_dpc Tainted: G W 4.4.103 #13
[ 95.323792] Hardware name: Rockchip RK3328 EVB (DT)
[ 95.323807] Call trace:
[ 95.323838] [<ffffff80080896ac>] dump_backtrace+0x0/0x1cc
[ 95.323863] [<ffffff800808988c>] show_stack+0x14/0x1c
[ 95.323889] [<ffffff80083830b8>] dump_stack+0x94/0xb4
[ 95.323915] [<ffffff80080c58c0>] __schedule_bug+0x40/0x54
[ 95.323941] [<ffffff8008b0c250>] __schedule+0x8c/0x6f0
[ 95.323964] [<ffffff8008b0c934>] schedule+0x80/0xa0
[ 95.323991] [<ffffff8008b0f258>] schedule_timeout+0x3c/0x260
[ 95.324015] [<ffffff8008b0d48c>] wait_for_common+0x130/0x168
[ 95.324040] [<ffffff8008b0d4d8>] wait_for_completion+0x14/0x1c
[ 95.324066] [<ffffff800876947c>] mmc_wait_for_req+0x84/0x160
[ 95.324091] [<ffffff8008774518>] mmc_io_rw_extended+0x26c/0x2ec
[ 95.324117] [<ffffff8008775958>] sdio_io_rw_ext_helper+0x14c/0x1a0
[ 95.324141] [<ffffff8008775b50>] sdio_readsb+0x1c/0x24
[ 95.325601] [<ffffff8000b5d480>] sdioh_buffer_tofrom_bus+0xc0/0x238 [bcmdhd]
[ 95.327078] [<ffffff8000b5e910>] sdioh_request_buffer+0x1c0/0x360 [bcmdhd]
[ 95.328529] [<ffffff8000b5c1c8>] bcmsdh_recv_buf+0x88/0xc0 [bcmdhd]
[ 95.329991] [<ffffff8000b6412c>] dhd_bcmsdh_recv_buf.constprop.25+0x64/0x98 [bcmdhd]
[ 95.331444] [<ffffff8000b66fb8>] dhdsdio_readframes+0x908/0x14e0 [bcmdhd]
[ 95.332916] [<ffffff8000b6bc20>] dhd_bus_dpc+0x6c0/0xb80 [bcmdhd]
[ 95.334004] [<ffffff8000b35cd8>] dhd_dpc_thread+0x128/0x1a0 [bcmdhd]
[ 95.334023] [<ffffff80080bc6e4>] kthread+0xe8/0xf0
[ 95.334035] [<ffffff80080828d0>] ret_from_fork+0x10/0x40
Change-Id: I56c837ca08e946970b873e72cc87150592d5eaad
Signed-off-by: Xu Xuehui <xxh@rock-chips.com>
Diffstat (limited to 'drivers/net/wireless/rockchip_wlan')
| -rw-r--r-- | drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_linux.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_linux.c b/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_linux.c index 4df7ea6d84e9..b77ecac9ba6f 100644 --- a/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_linux.c +++ b/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_linux.c @@ -13674,19 +13674,11 @@ dhd_os_sdunlock_txq(dhd_pub_t *pub) void dhd_os_sdlock_rxq(dhd_pub_t *pub) { - dhd_info_t *dhd; - - dhd = (dhd_info_t *)(pub->info); - spin_lock_bh(&dhd->rxqlock); } void dhd_os_sdunlock_rxq(dhd_pub_t *pub) { - dhd_info_t *dhd; - - dhd = (dhd_info_t *)(pub->info); - spin_unlock_bh(&dhd->rxqlock); } static void |