linux_dsm_epyc7002/drivers/net/wireless/ath
Sujith Manoharan 176f0e841e ath9k: Fix RX DMA mapping
After the commit "ath9k: improve dma map failure handling", the
wrong buffer was DMA-unmapped, introducing warnings like the one below.
This patch fixes the issue.

WARNING: at /home/sujith/dev/wireless-testing/lib/dma-debug.c:986 check_sync+0x4bc/0x580()
Hardware name: LIFEBOOK AH531
ath9k 0000:02:00.0: DMA-API: device driver tries to sync DMA memory it has not allocated [device address=0x00000000d9012800] [size=48 bytes]
Pid: 86, comm: kworker/u:5 Tainted: G        W  O 3.9.0-rc8-wl-debug #106
Call Trace:
 [<ffffffff810410c0>] warn_slowpath_common+0x70/0xa0
 [<ffffffff8104113c>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffff8125432c>] check_sync+0x4bc/0x580
 [<ffffffff8109e5f7>] ? trace_hardirqs_on_caller+0xa7/0x190
 [<ffffffff8109e6ed>] ? trace_hardirqs_on+0xd/0x10
 [<ffffffff81254488>] debug_dma_sync_single_for_device+0x48/0x50
 [<ffffffffa0a53825>] ? ath9k_iowrite32+0x35/0x90 [ath9k]
 [<ffffffff812512f0>] ? swiotlb_tbl_sync_single+0x50/0x90
 [<ffffffff81251350>] ? swiotlb_sync_single+0x20/0x30
 [<ffffffff8125137f>] ? swiotlb_sync_single_for_device+0xf/0x20
 [<ffffffffa0a58baf>] ath_rx_edma_buf_link+0xef/0x140 [ath9k]
 [<ffffffffa0a58c4e>] ath_rx_addbuffer_edma+0x4e/0x90 [ath9k]
 [<ffffffffa0a59c51>] ath_startrecv+0xf1/0x120 [ath9k]
 [<ffffffffa0a550e0>] ath_complete_reset+0x20/0x130 [ath9k]
 [<ffffffffa0a5790d>] ath_reset_internal+0x10d/0x210 [ath9k]
 [<ffffffffa0a5878c>] ath9k_config+0x47c/0x7b0 [ath9k]
 [<ffffffffa06d4978>] ieee80211_hw_config+0x88/0x3f0 [mac80211]
 [<ffffffffa06d4a3f>] ? ieee80211_hw_config+0x14f/0x3f0 [mac80211]
 [<ffffffffa06dbed1>] __ieee80211_scan_completed+0xc1/0x440 [mac80211]
 [<ffffffffa06dd002>] ieee80211_scan_work+0x82/0x440 [mac80211]
 [<ffffffff810606a3>] process_one_work+0x1e3/0x530
 [<ffffffff81060641>] ? process_one_work+0x181/0x530
 [<ffffffff8106163f>] worker_thread+0x10f/0x3c0
 [<ffffffff81061530>] ? manage_workers+0x330/0x330
 [<ffffffff810665da>] kthread+0xea/0xf0
 [<ffffffff810664f0>] ? kthread_create_on_node+0x140/0x140
 [<ffffffff8146085c>] ret_from_fork+0x7c/0xb0
 [<ffffffff810664f0>] ? kthread_create_on_node+0x140/0x140

Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-04-23 14:14:54 -04:00
..
ar5523 mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan 2013-03-25 19:19:35 +01:00
ath5k ath5k: use more idiomatic tracing include style 2013-04-12 15:29:14 -04:00
ath6kl ath6kl: fix size_t printf warnings 2013-03-20 08:55:26 -04:00
ath9k ath9k: Fix RX DMA mapping 2013-04-23 14:14:54 -04:00
carl9170 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-04-10 14:09:54 -04:00
wil6210 wil6210: more Rx descriptor accessor functions 2013-04-22 15:20:25 -04:00
ath.h ath9k: Add a module parameter to enable diversity 2012-09-24 14:59:11 -04:00
debug.c drivers/net: Add export.h to files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:08 -04:00
hw.c ath: update hardware mac address with bssid mask 2013-04-22 15:20:15 -04:00
Kconfig wireless: add new wil6210 802.11ad 60GHz driver 2013-01-04 16:10:53 -05:00
key.c ath: Let user know which keycache method is complaining. 2013-04-08 15:28:37 -04:00
main.c ath: Add and use pr_fmt, convert printks to pr_<level> 2012-04-10 14:52:13 -04:00
Makefile wireless: add new wil6210 802.11ad 60GHz driver 2013-01-04 16:10:53 -05:00
reg.h ath: update hardware mac address with bssid mask 2013-04-22 15:20:15 -04:00
regd_common.h ath: fix spelling of Grenada 2011-08-08 16:04:13 -04:00
regd.c wireless: make the reg_notifier() void 2013-01-14 11:32:44 +01:00
regd.h wireless: make the reg_notifier() void 2013-01-14 11:32:44 +01:00