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r8152: check rx after napi is enabled

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Schedule the napi after napi_enable() for rx, if it is necessary.

If the rx is completed when napi is disabled, the sheduling of napi
would be lost. Then, no one handles the rx packet until next napi
is scheduled.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2017-01-26 09:38:34 +08:00 committed by David S. Miller
parent 248b213ad9
commit 7489bdadb7
1 changed files with 6 additions and 1 deletions
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7
drivers/net/usb/r8152.c
View file

@ -32,7 +32,7 @@
#define NETNEXT_VERSION "08"
/* Information for net */
#define NET_VERSION "7"
#define NET_VERSION "8"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@ -3561,6 +3561,9 @@ static int rtl8152_post_reset(struct usb_interface *intf)
netif_wake_queue(netdev);
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
if (!list_empty(&tp->rx_done))
napi_schedule(&tp->napi);
return 0;
}
@ -3700,6 +3703,8 @@ static int rtl8152_resume(struct usb_interface *intf)
napi_enable(&tp->napi);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
smp_mb__after_atomic();
if (!list_empty(&tp->rx_done))
napi_schedule(&tp->napi);
} else {
tp->rtl_ops.up(tp);
netif_carrier_off(tp->netdev);