cobalt_probe() is never called in atomic context. It calls kzalloc() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx> --- drivers/media/pci/cobalt/cobalt-driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/cobalt/cobalt-driver.c b/drivers/media/pci/cobalt/cobalt-driver.c index c8b1a6206c65..4885e833c052 100644 --- a/drivers/media/pci/cobalt/cobalt-driver.c +++ b/drivers/media/pci/cobalt/cobalt-driver.c @@ -670,7 +670,7 @@ static int cobalt_probe(struct pci_dev *pci_dev, /* FIXME - module parameter arrays constrain max instances */ i = atomic_inc_return(&cobalt_instance) - 1; - cobalt = kzalloc(sizeof(struct cobalt), GFP_ATOMIC); + cobalt = kzalloc(sizeof(struct cobalt), GFP_KERNEL); if (cobalt == NULL) return -ENOMEM; cobalt->pci_dev = pci_dev; -- 2.17.0