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staging: wfx: fix Oops when CONFIG_OF_NET is not set

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In most case, of_get_mac_address() return NULL in case of error.
However, if CONFIG_OF_NET is not set, it return -ENODEV.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20191017093954.657-4-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jérôme Pouiller
2019-10-17 09:40:06 +00:00
committed by Greg Kroah-Hartman
parent 8008d9e7dd
commit 4e4f5e6fef
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/wfx/main.c
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@@ -407,7 +407,7 @@ int wfx_probe(struct wfx_dev *wdev)
for (i = 0; i < ARRAY_SIZE(wdev->addresses); i++) {
eth_zero_addr(wdev->addresses[i].addr);
macaddr = of_get_mac_address(wdev->dev->of_node);
if (macaddr) {
if (!IS_ERR_OR_NULL(macaddr)) {
ether_addr_copy(wdev->addresses[i].addr, macaddr);
wdev->addresses[i].addr[ETH_ALEN - 1] += i;
}