From d48f10fc616a82c8e761753fd6edf6b6f6b66bec Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Wed, 31 Aug 2016 23:57:46 +0300 Subject: [PATCH] staging: octeon: prevent poll during rx init Prevent poll before the RX init has been completed. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/octeon/ethernet-rx.c | 6 ++++++ 1 file changed, 6 insertions(+) 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 +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) -- 2.39.5