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ehea: fix race condition

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When ehea_stop is called the function
cancel_work_sync(&port->reset_task) is used to ensure
that the reset task is not running anymore. We need an
additional flag to ensure that it can not be scheduled
after this call again for a certain time.

Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jan-Bernd Themann
2008-07-03 15:18:51 +01:00
committed by Jeff Garzik
parent b0afffe89b
commit 2f69ae01c8
2 changed files with 16 additions and 7 deletions
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6
drivers/net/ehea/ehea.h
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@@ -40,7 +40,7 @@
#include <asm/io.h>
#define DRV_NAME "ehea"
#define DRV_VERSION "EHEA_0091"
#define DRV_VERSION "EHEA_0092"
/* eHEA capability flags */
#define DLPAR_PORT_ADD_REM 1
@@ -478,6 +478,7 @@ struct ehea_port {
int num_add_tx_qps;
int num_mcs;
int resets;
u64 flags;
u64 mac_addr;
u32 logical_port_id;
u32 port_speed;
@@ -501,7 +502,8 @@ struct port_res_cfg {
};
enum ehea_flag_bits {
__EHEA_STOP_XFER
__EHEA_STOP_XFER,
__EHEA_DISABLE_PORT_RESET
};
void ehea_set_ethtool_ops(struct net_device *netdev);