staging: rtl8723bs: Fix uninitialized variables
The sinfo.pertid and sinfo.generation variables are not initialized and
it causes a crash when we use this as a wireless access point.
[ 456.873025] ------------[ cut here ]------------
[ 456.878198] kernel BUG at mm/slub.c:3968!
[ 456.882680] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
[ snip ]
[ 457.271004] Backtrace:
[ 457.273733] [<
c02b7ee4>] (kfree) from [<
c0e2a470>] (nl80211_send_station+0x954/0xfc4)
[ 457.282481] r9:
eccca0c0 r8:
e8edfec0 r7:
00000000 r6:
00000011 r5:
e80a9480 r4:
e8edfe00
[ 457.291132] [<
c0e29b1c>] (nl80211_send_station) from [<
c0e2b18c>] (cfg80211_new_sta+0x90/0x1cc)
[ 457.300850] r10:
e80a9480 r9:
e8edfe00 r8:
ea678cca r7:
00000a20 r6:
00000000 r5:
ec46d000
[ 457.309586] r4:
ec46d9e0
[ 457.312433] [<
c0e2b0fc>] (cfg80211_new_sta) from [<
bf086684>] (rtw_cfg80211_indicate_sta_assoc+0x80/0x9c [r8723bs])
[ 457.324095] r10:
00009930 r9:
e85b9d80 r8:
bf091050 r7:
00000000 r6:
00000000 r5:
0000001c
[ 457.332831] r4:
c1606788
[ 457.335692] [<
bf086604>] (rtw_cfg80211_indicate_sta_assoc [r8723bs]) from [<
bf03df38>] (rtw_stassoc_event_callback+0x1c8/0x1d4 [r8723bs])
[ 457.349489] r7:
ea678cc0 r6:
000000a1 r5:
f1225f84 r4:
f086b000
[ 457.355845] [<
bf03dd70>] (rtw_stassoc_event_callback [r8723bs]) from [<
bf048e4c>] (mlme_evt_hdl+0x8c/0xb4 [r8723bs])
[ 457.367601] r7:
c1604900 r6:
f086c4b8 r5:
00000000 r4:
f086c000
[ 457.373959] [<
bf048dc0>] (mlme_evt_hdl [r8723bs]) from [<
bf03693c>] (rtw_cmd_thread+0x198/0x3d8 [r8723bs])
[ 457.384744] r5:
f086e000 r4:
f086c000
[ 457.388754] [<
bf0367a4>] (rtw_cmd_thread [r8723bs]) from [<
c014a214>] (kthread+0x170/0x174)
[ 457.398083] r10:
ed7a57e8 r9:
bf0367a4 r8:
f086b000 r7:
e8ede000 r6:
00000000 r5:
e9975200
[ 457.406828] r4:
e8369900
[ 457.409653] [<
c014a0a4>] (kthread) from [<
c01010e8>] (ret_from_fork+0x14/0x2c)
[ 457.417718] Exception stack(0xe8edffb0 to 0xe8edfff8)
[ 457.423356] ffa0:
00000000 00000000 00000000 00000000
[ 457.432492] ffc0:
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 457.441618] ffe0:
00000000 00000000 00000000 00000000 00000013 00000000
[ 457.449006] r10:
00000000 r9:
00000000 r8:
00000000 r7:
00000000 r6:
00000000 r5:
c014a0a4
[ 457.457750] r4:
e9975200
[ 457.460574] Code:
1a000003 e5953004 e3130001 1a000000 (
e7f001f2)
[ 457.467381] ---[ end trace
4acbc8c15e9e6aa7 ]---
Link: https://forum.armbian.com/topic/14727-wifi-ap-kernel-bug-in-kernel-5444/
Fixes: 8689c051a201 ("cfg80211: dynamically allocate per-tid stats for station info")
Fixes: f5ea9120be2e ("nl80211: add generation number to all dumps")
Signed-off-by: Wenli Looi <wlooi@ucalgary.ca>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210608064620.74059-1-wlooi@ucalgary.ca
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>