From: Zhang Changzhong Date: Tue, 17 Nov 2020 03:02:11 +0000 (+0800) Subject: net: b44: fix error return code in b44_init_one() X-Git-Tag: v4.4.246~36 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45a2a84369fc9896dd2addc5362f9c16686c1699;p=thirdparty%2Fkernel%2Fstable.git net: b44: fix error return code in b44_init_one() [ 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 Signed-off-by: Zhang Changzhong Reviewed-by: Michael Chan Link: https://lore.kernel.org/r/1605582131-36735-1-git-send-email-zhangchangzhong@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index e7214edfe5b46..4db19cf5b587d 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2393,7 +2393,8 @@ static int b44_init_one(struct ssb_device *sdev, 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;