MIPS: BCM47XX: return number of written bytes in nvram_getenv

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
index a84e3bb..d43ceff 100644
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -107,8 +107,7 @@
 		value = eq + 1;
 		if ((eq - var) == strlen(name) &&
 			strncmp(var, name, (eq - var)) == 0) {
-			snprintf(val, val_len, "%s", value);
-			return 0;
+			return snprintf(val, val_len, "%s", value);
 		}
 	}
 	return NVRAM_ERR_ENVNOTFOUND;