| Message ID | 20190831070147.25607-1-weiyongjun1@huawei.com |
|---|---|
| State | Not Applicable |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
| Series | [-next] PCI: Use GFP_ATOMIC under spin lock | expand |
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 484e35349565..0b5fc6736f3f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6148,7 +6148,7 @@ static ssize_t resource_alignment_store(struct bus_type *bus, spin_lock(&resource_alignment_lock); kfree(resource_alignment_param); - resource_alignment_param = kstrndup(buf, count, GFP_KERNEL); + resource_alignment_param = kstrndup(buf, count, GFP_ATOMIC); spin_unlock(&resource_alignment_lock);
A spin lock is taken here so we should use GFP_ATOMIC. Fixes: 41b5ef225daa ("PCI: Clean up resource_alignment parameter to not require static buffer") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> --- drivers/pci/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)