[PATCH 1/6] MIPS: BCM47XX: use common error codes in nvram reads

[Hauke Mehrtens <hauke@xxxxxxxxxx>]

Instead of using our own error codes use some common codes.

Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
 arch/mips/bcm47xx/nvram.c                  |    4 ++--
 arch/mips/bcm47xx/sprom.c                  |    2 +-
 arch/mips/include/asm/mach-bcm47xx/nvram.h |    3 ---
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
index 6461367..e19fc26 100644
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -124,7 +124,7 @@ int nvram_getenv(char *name, char *val, size_t val_len)
 	char *var, *value, *end, *eq;
 
 	if (!name)
-		return NVRAM_ERR_INV_PARAM;
+		return -EINVAL;
 
 	if (!nvram_buf[0])
 		early_nvram_init();
@@ -143,6 +143,6 @@ int nvram_getenv(char *name, char *val, size_t val_len)
 			return snprintf(val, val_len, "%s", value);
 		}
 	}
-	return NVRAM_ERR_ENVNOTFOUND;
+	return -ENOENT;
 }
 EXPORT_SYMBOL(nvram_getenv);
diff --git a/arch/mips/bcm47xx/sprom.c b/arch/mips/bcm47xx/sprom.c
index 289cc0a..66b71c3 100644
--- a/arch/mips/bcm47xx/sprom.c
+++ b/arch/mips/bcm47xx/sprom.c
@@ -51,7 +51,7 @@ static int get_nvram_var(const char *prefix, const char *postfix,
 	create_key(prefix, postfix, name, key, sizeof(key));
 
 	err = nvram_getenv(key, buf, len);
-	if (fallback && err == NVRAM_ERR_ENVNOTFOUND && prefix) {
+	if (fallback && err == -ENOENT && prefix) {
 		create_key(NULL, postfix, name, key, sizeof(key));
 		err = nvram_getenv(key, buf, len);
 	}
diff --git a/arch/mips/include/asm/mach-bcm47xx/nvram.h b/arch/mips/include/asm/mach-bcm47xx/nvram.h
index 69ef3ef..550a7fc 100644
--- a/arch/mips/include/asm/mach-bcm47xx/nvram.h
+++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h
@@ -32,9 +32,6 @@ struct nvram_header {
 #define NVRAM_MAX_VALUE_LEN 255
 #define NVRAM_MAX_PARAM_LEN 64
 
-#define NVRAM_ERR_INV_PARAM	-8
-#define NVRAM_ERR_ENVNOTFOUND	-9
-
 extern int nvram_getenv(char *name, char *val, size_t val_len);
 
 static inline void nvram_parse_macaddr(char *buf, u8 macaddr[6])
-- 
1.7.10.4