| Submitter | Flavio Leitner |
|---|---|
| Date | April 1, 2011, 6:16 p.m. |
| Message ID | <1301681764-25315-1-git-send-email-fleitner@redhat.com> |
| Download | mbox | patch |
| Permalink | /patch/89316/ |
| State | Awaiting Upstream |
| Delegated to: | David Miller |
| Headers | show |
Comments
On Fri, Apr 1, 2011 at 11:16, Flavio Leitner <fleitner@redhat.com> wrote: > Just move the unlock down a bit because it unlocks too > early leaving a chance for get_stats64() run in parallel > while it is still accessing the stats. > > Signed-off-by: Flavio Leitner <fleitner@redhat.com> > --- > drivers/net/e1000e/netdev.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > Thanks! I have added this to my e1000e queue of patches.
Patch
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index a39d4a4..c19e4f0 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -4328,7 +4328,6 @@ static void e1000_watchdog_task(struct work_struct *work) link_up: spin_lock(&adapter->stats64_lock); e1000e_update_stats(adapter); - spin_unlock(&adapter->stats64_lock); mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old; adapter->tpt_old = adapter->stats.tpt; @@ -4339,6 +4338,7 @@ link_up: adapter->gorc_old = adapter->stats.gorc; adapter->gotc = adapter->stats.gotc - adapter->gotc_old; adapter->gotc_old = adapter->stats.gotc; + spin_unlock(&adapter->stats64_lock); e1000e_update_adaptive(&adapter->hw);
Just move the unlock down a bit because it unlocks too early leaving a chance for get_stats64() run in parallel while it is still accessing the stats. Signed-off-by: Flavio Leitner <fleitner@redhat.com> --- drivers/net/e1000e/netdev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)