diff options
| author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2016-08-31 23:57:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-02 14:46:53 +0200 |
| commit | d48f10fc616a82c8e761753fd6edf6b6f6b66bec (patch) | |
| tree | 524d67e618cb8537415cf189d0718f663be20c31 /drivers/staging/octeon | |
| parent | ce060d8af33c0dee3c20510a39f6284f8d90614e (diff) | |
staging: octeon: prevent poll during rx init
Prevent poll before the RX init has been completed.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/octeon')
| -rw-r--r-- | drivers/staging/octeon/ethernet-rx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c index 4f32fa37d5de..ce1e2a321abb 100644 --- a/drivers/staging/octeon/ethernet-rx.c +++ b/drivers/staging/octeon/ethernet-rx.c @@ -43,6 +43,8 @@ #include <asm/octeon/cvmx-gmxx-defs.h> +static atomic_t oct_rx_ready = ATOMIC_INIT(0); + static struct oct_rx_group { int irq; int group; @@ -444,6 +446,9 @@ void cvm_oct_poll_controller(struct net_device *dev) { int i; + if (!atomic_read(&oct_rx_ready)) + return; + for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) { if (!(pow_receive_groups & BIT(i))) @@ -524,6 +529,7 @@ void cvm_oct_rx_initialize(void) */ napi_schedule(&oct_rx_group[i].napi); } + atomic_inc(&oct_rx_ready); } void cvm_oct_rx_shutdown(void) |