rtw88: 8821c: fix access const table of channel parameters
We would like to make chip_info table const, but 8821c uses one field as
a variable, and causes core dump. To fix this, move the field to another
struct that can be read and written.
BUG: unable to handle page fault for address:
ffffffffc09f52f4
PGD
5b5215067 P4D
5b5215067 PUD
5b5217067 PMD
111f61067 PTE
8000000111e07161
Oops: 0003 [#1] PREEMPT SMP NOPTI
CPU: 6 PID: 436 Comm: NetworkManager Not tainted 5.18.0-rc7-debug-01822-g89d8f53ff6e7 #1
5cac31ca93432e53341863abfb3332fd98b144da
Hardware name: HP HP Desktop M01-F1xxx/87D6, BIOS F.12 12/17/2020
RIP: 0010:rtw8821c_phy_set_param+0x262/0x380 [rtw88_8821c]
Code: e8 53 f3 c0 d6 48 8b 43 10 4c 8b 63 38 be 24 0a 00 00 48 89 df 48
8b 40 68 e8 3a f3 c0 d6 89 e9 be 28 0a 00 00 48 89 df d3 e8 <41> 89 84
24 54 01 00 00 48 8b 43 10 4c 8b 63 38 48 8b 40 68 e8 15
RSP: 0018:
ffffb08c417cb6f0 EFLAGS:
00010286
RAX:
0000000064b80c1c RBX:
ffff93d15a0120e0 RCX:
0000000000000000
RDX:
0000000034028211 RSI:
0000000000000a28 RDI:
ffff93d15a0120e0
RBP:
0000000000000000 R08:
0000000000000000 R09:
0000000000000000
R10:
0000000000000001 R11:
0000000000000006 R12:
ffffffffc09f51a0
R13:
ffff93d15a0156d0 R14:
0000000000000000 R15:
0000000000000001
FS:
00007f4e9b73d1c0(0000) GS:
ffff93d83ab80000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
CR2:
ffffffffc09f52f4 CR3:
0000000103b9e000 CR4:
0000000000350ee0
Call Trace:
<TASK>
rtw_core_start+0xbd/0x190 [rtw88_core
de79d6bdfd083d102030858972032e5706726279]
rtw_ops_start+0x26/0x40 [rtw88_core
de79d6bdfd083d102030858972032e5706726279]
drv_start+0x42/0x100 [mac80211
21e803d0ad10691f64c6c81ecc24c0c6c36e5d58]
ieee80211_do_open+0x2fb/0x900 [mac80211
21e803d0ad10691f64c6c81ecc24c0c6c36e5d58]
ieee80211_open+0x67/0x80 [mac80211
21e803d0ad10691f64c6c81ecc24c0c6c36e5d58]
__dev_open+0xdd/0x180
[...]
Fixes:
89d8f53ff6e7 ("wifi: rtw88: Fix Sparse warning for rtw8821c_hw_spec")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220608020312.9663-1-pkshih@realtek.com