From: Zhang Changzhong <[email protected]>
[ 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 <[email protected]>
Signed-off-by: Zhang Changzhong <[email protected]>
Reviewed-by: Michael Chan <[email protected]>
Link:
https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/broadcom/b44.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2391,7 +2391,8 @@ 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;
