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| author |   David Vrabel <david.vrabel@csr.com> | 2008-10-27 15:22:46 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2008-10-28 12:07:23 +0000 |
| commit | cae1c11414912bf77a62aebd65ced321f0b9da51 (patch) | |
| tree | 1f83b9b82aec7f86740f8b1f7f5e8be1c6cf3196 /drivers/uwb/uwb-debug.c | |
| parent | wusb: release mutex in the error path of whci-hcd's whc_do_gencmd() (diff) | |
| download | linux-dev-cae1c11414912bf77a62aebd65ced321f0b9da51.tar.xz linux-dev-cae1c11414912bf77a62aebd65ced321f0b9da51.zip | |
uwb: reference count reservations
Reference counting the struct uwb_rsv's is safer and easier to get right than
the transferring ownership of the structures from the PAL to reservation
manager.
This fixes an oops in the debug PAL after a reservation timed out.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Diffstat (limited to 'drivers/uwb/uwb-debug.c')
| -rw-r--r-- | drivers/uwb/uwb-debug.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c index 6d232c35d07d..6db641e45313 100644 --- a/drivers/uwb/uwb-debug.c +++ b/drivers/uwb/uwb-debug.c @@ -104,6 +104,11 @@ static void uwb_dbg_rsv_cb(struct uwb_rsv *rsv) dev_dbg(dev, "debug: rsv %s -> %s: %s\n", owner, target, uwb_rsv_state_str(rsv->state)); + + if (rsv->state == UWB_RSV_STATE_NONE) { + list_del(&rsv->pal_node); + uwb_rsv_destroy(rsv); + } } static int cmd_rsv_establish(struct uwb_rc *rc, @@ -153,11 +158,11 @@ static int cmd_rsv_terminate(struct uwb_rc *rc, found = rsv; break; } + i++; } if (!found) return -EINVAL; - list_del(&found->pal_node); uwb_rsv_terminate(found); return 0; @@ -287,8 +292,10 @@ static void uwb_dbg_new_rsv(struct uwb_rsv *rsv) { struct uwb_rc *rc = rsv->rc; - if (rc->dbg->accept) + if (rc->dbg->accept) { + list_add_tail(&rsv->pal_node, &rc->dbg->rsvs); uwb_rsv_accept(rsv, uwb_dbg_rsv_cb, NULL); + } } /** @@ -336,7 +343,7 @@ void uwb_dbg_del_rc(struct uwb_rc *rc) return; list_for_each_entry_safe(rsv, t, &rc->dbg->rsvs, pal_node) { - uwb_rsv_destroy(rsv); + uwb_rsv_terminate(rsv); } uwb_pal_unregister(rc, &rc->dbg->pal); |