misc/pvpanic-mmio: Use GFP_KERNEL instead of GFP_ATOMIC

There is no need to use GFP_ATOMIC in a probe function. Use GFP_KERNEL
instead.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/58cc7f12535a796a0ef1a699bcba61e45ab8a2ad.1621665058.git.christophe.jaillet@wanadoo.frSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/pvpanic/pvpanic-mmio.c

@@ -93,7 +93,7 @@ static int pvpanic_mmio_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	pi = devm_kmalloc(dev, sizeof(*pi), GFP_ATOMIC);
+	pi = devm_kmalloc(dev, sizeof(*pi), GFP_KERNEL);
 	if (!pi)
 		return -ENOMEM;