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authorPaul Cercueil <paul@crapouillou.net>2020-02-16 16:39:43 -0300
committerDavid S. Miller <davem@davemloft.net>2020-02-16 20:01:43 -0800
commit9a6a0dea16177ccaecc116f560232e63bec115f1 (patch)
tree145fb9f87bdb07da52cdd6bb365430d5d97e0eec /drivers/net
parentd2f273f0a9205257b91af1d3d461ee29688c2f24 (diff)
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net: ethernet: dm9000: Handle -EPROBE_DEFER in dm9000_parse_dt()
The call to of_get_mac_address() can return -EPROBE_DEFER, for instance when the MAC address is read from a NVMEM driver that did not probe yet. Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: Mathieu Malaterre <malat@debian.org> Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/davicom/dm9000.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 1ea3372775e6..e94ae9b94dbf 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -1405,6 +1405,8 @@ static struct dm9000_plat_data *dm9000_parse_dt(struct device *dev)
mac_addr = of_get_mac_address(np);
if (!IS_ERR(mac_addr))
ether_addr_copy(pdata->dev_addr, mac_addr);
+ else if (PTR_ERR(mac_addr) == -EPROBE_DEFER)
+ return ERR_CAST(mac_addr);
return pdata;
}