提交 401da6ae 编写于 作者: A Alan Cox 提交者: David S. Miller

e100: Fix the TX workqueue race

Nothing stops the workqueue being left to run in parallel with close or a
few other operations. This causes double unmaps and the like.

See kerneloops.org #1041230 for an example
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 7ce97d4f
......@@ -166,6 +166,7 @@
#include <linux/ethtool.h>
#include <linux/string.h>
#include <linux/firmware.h>
#include <linux/rtnetlink.h>
#include <asm/unaligned.h>
......@@ -2265,8 +2266,13 @@ static void e100_tx_timeout_task(struct work_struct *work)
DPRINTK(TX_ERR, DEBUG, "scb.status=0x%02X\n",
ioread8(&nic->csr->scb.status));
e100_down(netdev_priv(netdev));
e100_up(netdev_priv(netdev));
rtnl_lock();
if (netif_running(netdev)) {
e100_down(netdev_priv(netdev));
e100_up(netdev_priv(netdev));
}
rtnl_unlock();
}
static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode)
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册