Currently when checking for an error in ethernet aliases in the fdt, we
only check for the error case -1. It is safer to ignore anything < 0.

By rearranging logic a bit we can now also reduce identation.

Signed-off-by: Olliver Schinagl <oli...@schinagl.nl>
---
 common/fdt_support.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/common/fdt_support.c b/common/fdt_support.c
index 20a3dd9..c34a13c 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -495,20 +495,20 @@ void fdt_fixup_ethernet(void *fdt)
                path = fdt_getprop_by_offset(fdt, offset, &name, NULL);
                if (!strncmp(name, "ethernet", len)) {
                        i = trailing_strtol(name);
-                       if (i != -1) {
-                               if (i == 0)
-                                       strcpy(mac, "ethaddr");
-                               else
-                                       sprintf(mac, "eth%daddr", i);
-                       } else {
+                       if (i < 0)
                                continue;
-                       }
+
+                       if (i == 0)
+                               strcpy(mac, "ethaddr");
+                       else
+                               sprintf(mac, "eth%daddr", i);
+
                        fdt_eth_addr = getenv(mac);
-                       if (!fdt_eth_addr)
+                       if (fdt_eth_addr)
+                               eth_parse_enetaddr(fdt_eth_addr, mac_addr);
+                       else
                                continue;
 
-                       eth_parse_enetaddr(fdt_eth_addr, mac_addr);
-
                        do_fixup_by_path(fdt, path, "mac-address",
                                         &mac_addr, 6, 0);
                        do_fixup_by_path(fdt, path, "local-mac-address",
-- 
2.10.2

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