MIPS: BCM47XX: use common error codes in nvram reads

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

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4739/
Signed-off-by: John Crispin <blogic@openwrt.org>

3 files changed, 3 insertions, 6 deletions

diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
index 64613678ce84..e19fc2600b76 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 289cc0a38638..66b71c363300 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 69ef3efe06e7..550a7fc932c9 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])