diff mbox series

[4.9,06/47] net: b44: fix error return code in b44_init_one()

Message ID 20201123121805.858893655@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH Nov. 23, 2020, 12:21 p.m. UTC 
From: Zhang Changzhong <zhangchangzhong@huawei.com>

[ Upstream commit 7b027c249da54f492699c43e26cba486cfd48035 ]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 39a6f4bce6b4 ("b44: replace the ssb_dma API with the generic DMA API")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/1605582131-36735-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/broadcom/b44.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2390,7 +2390,8 @@  static int b44_init_one(struct ssb_devic
 		goto err_out_free_dev;
 	}
 
-	if (dma_set_mask_and_coherent(sdev->dma_dev, DMA_BIT_MASK(30))) {
+	err = dma_set_mask_and_coherent(sdev->dma_dev, DMA_BIT_MASK(30));
+	if (err) {
 		dev_err(sdev->dev,
 			"Required 30BIT DMA mask unsupported by the system\n");
 		goto err_out_powerdown;