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| author | jfv <jfv@FreeBSD.org> | 2011-01-22 00:19:15 +0000 |
|---|---|---|
| committer | jfv <jfv@FreeBSD.org> | 2011-01-22 00:19:15 +0000 |
| commit | 809122d5c7c9019a4d1ff6ae7205400a6ca76f88 (patch) | |
| tree | 2b7bd78ca918713f79c4c54e5371e9793315594d /sys/dev/ixgbe | |
| parent | 2d67362e244f13858077c2e34f243a553ce8e2aa (diff) | |
| download | FreeBSD-src-809122d5c7c9019a4d1ff6ae7205400a6ca76f88.zip FreeBSD-src-809122d5c7c9019a4d1ff6ae7205400a6ca76f88.tar.gz | |
Don't bother to run the flowcontrol code if there
is no change. Thanks to Andrew for the tweak.
Diffstat (limited to 'sys/dev/ixgbe')
| -rw-r--r-- | sys/dev/ixgbe/ixgbe.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/ixgbe/ixgbe.c b/sys/dev/ixgbe/ixgbe.c index bfd5715..127f57d 100644 --- a/sys/dev/ixgbe/ixgbe.c +++ b/sys/dev/ixgbe/ixgbe.c @@ -5268,13 +5268,17 @@ static int ixgbe_set_flowcntl(SYSCTL_HANDLER_ARGS) { int error; + int last = ixgbe_flow_control; struct adapter *adapter; error = sysctl_handle_int(oidp, &ixgbe_flow_control, 0, req); - if (error) return (error); + /* Don't bother if it's not changed */ + if (ixgbe_flow_control == last) + return (0); + adapter = (struct adapter *) arg1; switch (ixgbe_flow_control) { case ixgbe_fc_rx_pause: |
