[PATCH -next] PCI: Use GFP_ATOMIC under spin lock

[Wei Yongjun <weiyongjun1@xxxxxxxxxx>]

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@xxxxxxxxxx>
---
 drivers/pci/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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);