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
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