Return values for *allocate_private functions as well as calling code in
gpib driver are all over the place. Unify them by returning -errno if
something fails, zero otherwise. Use the returned value as early return
value in case of error. Replace kmalloc/memset pairs to kzalloc.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
---

v2: Replace kmalloc/memset pairs to kzalloc.

 drivers/gpib/eastwood/fluke_gpib.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpib/eastwood/fluke_gpib.c b/drivers/gpib/eastwood/fluke_gpib.c
index 3ae848e3f738..8e315b0e35a2 100644
--- a/drivers/gpib/eastwood/fluke_gpib.c
+++ b/drivers/gpib/eastwood/fluke_gpib.c
@@ -853,11 +853,10 @@ static int fluke_allocate_private(struct gpib_board *board)
 {
 	struct fluke_priv *priv;
 
-	board->private_data = kmalloc(sizeof(struct fluke_priv), GFP_KERNEL);
+	board->private_data = kzalloc(sizeof(struct fluke_priv), GFP_KERNEL);
 	if (!board->private_data)
 		return -ENOMEM;
 	priv = board->private_data;
-	memset(priv, 0, sizeof(struct fluke_priv));
 	init_nec7210_private(&priv->nec7210_priv);
 	priv->dma_buffer_size = 0x7ff;
 	priv->dma_buffer = kmalloc(priv->dma_buffer_size, GFP_KERNEL);
-- 
2.43.0