From 2b94751626a6d49bbe42a19cc1503bd391016bd5 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 28 Oct 2024 23:06:53 +0100 Subject: [PATCH] wifi: cw1200: Fix potential NULL dereference A recent refactoring was identified by static analysis to cause a potential NULL dereference, fix this! Reported-by: kernel test robot Reported-by: Dan Carpenter Closes: https://lore.kernel.org/r/202410121505.nyghqEkK-lkp@intel.com/ Fixes: 2719a9e7156c ("wifi: cw1200: Convert to GPIO descriptors") Signed-off-by: Linus Walleij Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20241028-cw1200-fix-v1-1-e092b6558d1e@linaro.org --- drivers/net/wireless/st/cw1200/cw1200_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/st/cw1200/cw1200_spi.c b/drivers/net/wireless/st/cw1200/cw1200_spi.c index 4f346fb977a9..862964a8cc87 100644 --- a/drivers/net/wireless/st/cw1200/cw1200_spi.c +++ b/drivers/net/wireless/st/cw1200/cw1200_spi.c @@ -450,7 +450,7 @@ static int __maybe_unused cw1200_spi_suspend(struct device *dev) { struct hwbus_priv *self = spi_get_drvdata(to_spi_device(dev)); - if (!cw1200_can_suspend(self->core)) + if (self && !cw1200_can_suspend(self->core)) return -EAGAIN; /* XXX notify host that we have to keep CW1200 powered on? */ -- 2.50.1