Message ID | 4E93E238.7000105@cn.fujitsu.com |
---|---|
State | Superseded, archived |
Delegated to: | David Miller |
Headers | show |
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index ed2a397..4e6323d 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -307,6 +307,8 @@ static ssize_t store_enabled(struct netconsole_target *nt, return err; if (enabled < 0 || enabled > 1) return -EINVAL; + if (enabled == nt->enabled) + return err; if (enabled) { /* 1 */
There is no check if netconsole is enabled current. so when exec echo 1 > enabled; the reference of net_device will increment always. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> --- drivers/net/netconsole.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)