Messages in this thread Patch in this message | | | From | Jia-Ju Bai <> | Subject | [PATCH] isdn: mISDN: hfcpci: Replace GFP_ATOMIC with GFP_KERNEL in hfc_probe() | Date | Fri, 27 Jul 2018 10:39:06 +0800 |
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hfc_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@gmail.com> --- drivers/isdn/hardware/mISDN/hfcpci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c index 34c93874af23..5a2e2455761f 100644 --- a/drivers/isdn/hardware/mISDN/hfcpci.c +++ b/drivers/isdn/hardware/mISDN/hfcpci.c @@ -2219,7 +2219,7 @@ hfc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct hfc_pci *card; struct _hfc_map *m = (struct _hfc_map *)ent->driver_data; - card = kzalloc(sizeof(struct hfc_pci), GFP_ATOMIC); + card = kzalloc(sizeof(struct hfc_pci), GFP_KERNEL); if (!card) { printk(KERN_ERR "No kmem for HFC card\n"); return err; -- 2.17.0
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