From: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> Currently, the ISR check if bus->core is not NULL. But, it is a useless check. bus->core is initialiased before to request IRQ and it is not assigned to NULL when it is released. Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> --- drivers/staging/wfx/bus_sdio.c | 9 +-------- drivers/staging/wfx/bus_spi.c | 4 ---- 2 files changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/staging/wfx/bus_sdio.c b/drivers/staging/wfx/bus_sdio.c index dedc3ff58d3e..9ac87178270f 100644 --- a/drivers/staging/wfx/bus_sdio.c +++ b/drivers/staging/wfx/bus_sdio.c @@ -91,20 +91,13 @@ static void wfx_sdio_irq_handler(struct sdio_func *func) { struct wfx_sdio_priv *bus = sdio_get_drvdata(func); - if (bus->core) - wfx_bh_request_rx(bus->core); - else - WARN(!bus->core, "race condition in driver init/deinit"); + wfx_bh_request_rx(bus->core); } static irqreturn_t wfx_sdio_irq_handler_ext(int irq, void *priv) { struct wfx_sdio_priv *bus = priv; - if (!bus->core) { - WARN(!bus->core, "race condition in driver init/deinit"); - return IRQ_NONE; - } sdio_claim_host(bus->func); wfx_bh_request_rx(bus->core); sdio_release_host(bus->func); diff --git a/drivers/staging/wfx/bus_spi.c b/drivers/staging/wfx/bus_spi.c index 61e99b09decb..03f95e65d2f9 100644 --- a/drivers/staging/wfx/bus_spi.c +++ b/drivers/staging/wfx/bus_spi.c @@ -140,10 +140,6 @@ static irqreturn_t wfx_spi_irq_handler(int irq, void *priv) { struct wfx_spi_priv *bus = priv; - if (!bus->core) { - WARN(!bus->core, "race condition in driver init/deinit"); - return IRQ_NONE; - } queue_work(system_highpri_wq, &bus->request_rx); return IRQ_HANDLED; } -- 2.26.1