diff options
| author | cozybit Inc <javier@cozybit.com> | 2011-04-13 18:10:28 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-13 19:24:48 (GMT) |
| commit | a3e6b12c0232748658a602eda39f12fddb254ba8 (patch) | |
| tree | 6e03e47f41a6c1e9ede9abc05741226235344a3f /net/ipv6 | |
| parent | 09d5b94d2cbc6c3ebb70a9a318f6390d0b4cf010 (diff) | |
| download | linux-fsl-qoriq-a3e6b12c0232748658a602eda39f12fddb254ba8.tar.xz | |
mac80211: Allocate new mesh path and portal tables before taking locks
It is unnecessary to hold the path table resize lock while allocating a
new table. Allocate first and take lock later. This resolves a
soft-lockup:
[ 293.385799] BUG: soft lockup - CPU#0 stuck for 61s! [kworker/u:3:744]
(...)
[ 293.386049] Call Trace:
[ 293.386049] [<c119fd04>] do_raw_read_lock+0x26/0x29
[ 293.386049] [<c14b2982>] _raw_read_lock+0x8/0xa
[ 293.386049] [<c148c178>] mesh_path_add+0xb7/0x24e
[ 293.386049] [<c148b98d>] ? mesh_path_lookup+0x1b/0xa6
[ 293.386049] [<c148ded5>] hwmp_route_info_get+0x276/0x2fd
[ 293.386049] [<c148dfb6>] mesh_rx_path_sel_frame+0x5a/0x5d9
[ 293.386049] [<c102667d>] ? update_curr+0x1cf/0x1d7
[ 293.386049] [<c148b45a>] ieee80211_mesh_rx_queued_mgmt+0x60/0x67
[ 293.386049] [<c147c374>] ieee80211_iface_work+0x1f0/0x258
(...)
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/ipv6')
0 files changed, 0 insertions, 0 deletions