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authorJakub Kicinski <kuba@kernel.org>2021-05-27 09:22:11 -0700
committerJakub Kicinski <kuba@kernel.org>2021-05-27 09:55:10 -0700
commit5ada57a9a6b0be0e6dfcbd4afa519b0347fd5649 (patch)
treef82f466df9272bb0c385320b25adc51c45309f84 /drivers/usb/class
parent59c56342459a483d5e563ed8b5fdb77ab7622a73 (diff)
parentd7c5303fbc8ac874ae3e597a5a0d3707dc0230b4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
cdc-wdm: s/kill_urbs/poison_urbs/ to fix build Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-wdm.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 457b00c6e984..8e5490ac13a2 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -335,12 +335,23 @@ exit:
}
-static void kill_urbs(struct wdm_device *desc)
+static void poison_urbs(struct wdm_device *desc)
{
/* the order here is essential */
- usb_kill_urb(desc->command);
- usb_kill_urb(desc->validity);
- usb_kill_urb(desc->response);
+ usb_poison_urb(desc->command);
+ usb_poison_urb(desc->validity);
+ usb_poison_urb(desc->response);
+}
+
+static void unpoison_urbs(struct wdm_device *desc)
+{
+ /*
+ * the order here is not essential
+ * it is symmetrical just to be nice
+ */
+ usb_unpoison_urb(desc->response);
+ usb_unpoison_urb(desc->validity);
+ usb_unpoison_urb(desc->command);
}
static void free_urbs(struct wdm_device *desc)
@@ -760,11 +771,12 @@ static int wdm_release(struct inode *inode, struct file *file)
if (!desc->count) {
if (!test_bit(WDM_DISCONNECTING, &desc->flags)) {
dev_dbg(&desc->intf->dev, "wdm_release: cleanup\n");
- kill_urbs(desc);
+ poison_urbs(desc);
spin_lock_irq(&desc->iuspin);
desc->resp_count = 0;
spin_unlock_irq(&desc->iuspin);
desc->manage_power(desc->intf, 0);
+ unpoison_urbs(desc);
} else {
/* must avoid dev_printk here as desc->intf is invalid */
pr_debug(KBUILD_MODNAME " %s: device gone - cleaning up\n", __func__);
@@ -843,10 +855,11 @@ static void wdm_wwan_port_stop(struct wwan_port *port)
struct wdm_device *desc = wwan_port_get_drvdata(port);
/* Stop all transfers and disable WWAN mode */
- kill_urbs(desc);
+ poison_urbs(desc);
desc->manage_power(desc->intf, 0);
clear_bit(WDM_READ, &desc->flags);
clear_bit(WDM_WWAN_IN_USE, &desc->flags);
+ unpoison_urbs(desc);
}
static void wdm_wwan_port_tx_complete(struct urb *urb)
@@ -1209,9 +1222,9 @@ static void wdm_disconnect(struct usb_interface *intf)
wake_up_all(&desc->wait);
mutex_lock(&desc->rlock);
mutex_lock(&desc->wlock);
+ poison_urbs(desc);
cancel_work_sync(&desc->rxwork);
cancel_work_sync(&desc->service_outs_intr);
- kill_urbs(desc);
mutex_unlock(&desc->wlock);
mutex_unlock(&desc->rlock);
@@ -1252,9 +1265,10 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
set_bit(WDM_SUSPENDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
/* callback submits work - order is essential */
- kill_urbs(desc);
+ poison_urbs(desc);
cancel_work_sync(&desc->rxwork);
cancel_work_sync(&desc->service_outs_intr);
+ unpoison_urbs(desc);
}
if (!PMSG_IS_AUTO(message)) {
mutex_unlock(&desc->wlock);
@@ -1312,7 +1326,7 @@ static int wdm_pre_reset(struct usb_interface *intf)
wake_up_all(&desc->wait);
mutex_lock(&desc->rlock);
mutex_lock(&desc->wlock);
- kill_urbs(desc);
+ poison_urbs(desc);
cancel_work_sync(&desc->rxwork);
cancel_work_sync(&desc->service_outs_intr);
return 0;
@@ -1323,6 +1337,7 @@ static int wdm_post_reset(struct usb_interface *intf)
struct wdm_device *desc = wdm_find_device(intf);
int rv;
+ unpoison_urbs(desc);
clear_bit(WDM_OVERFLOW, &desc->flags);
clear_bit(WDM_RESETTING, &desc->flags);
rv = recover_from_urb_loss(desc);