[PATCH] ethernet: broadcom/sb1250-mac: remove BUG_ON in sbmac_probe()

From: Yang Yingliang
Date: Thu Apr 21 2022 - 09:40:22 EST


Replace the BUG_ON() with returning error code to handle
the fault more gracefully.

Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/net/ethernet/broadcom/sb1250-mac.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c
index a1a38456c9a3..5d5f10180158 100644
--- a/drivers/net/ethernet/broadcom/sb1250-mac.c
+++ b/drivers/net/ethernet/broadcom/sb1250-mac.c
@@ -2534,7 +2534,12 @@ static int sbmac_probe(struct platform_device *pldev)
int err;

res = platform_get_resource(pldev, IORESOURCE_MEM, 0);
- BUG_ON(!res);
+ if (!res) {
+ printk(KERN_ERR "%s: failed to get resource\n",
+ dev_name(&pldev->dev));
+ err = -EINVAL;
+ goto out_out;
+ }
sbm_base = ioremap(res->start, resource_size(res));
if (!sbm_base) {
printk(KERN_ERR "%s: unable to map device registers\n",
--
2.25.1