diff options
Diffstat (limited to 'common/globalvar.c')
| -rw-r--r-- | common/globalvar.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/common/globalvar.c b/common/globalvar.c index 5dad4f6a45..75e4d43afb 100644 --- a/common/globalvar.c +++ b/common/globalvar.c @@ -100,6 +100,9 @@ int nvvar_add(const char *name, const char *value) struct param_d *p, *gp; int ret; + if (!IS_ENABLED(CONFIG_NVVAR)) + return -ENOSYS; + gp = get_param_by_name(&nv_device, name); if (gp) { ret = dev_set_param(&global_device, name, value); @@ -141,6 +144,9 @@ int nvvar_remove(const char *name) struct param_d *p; char *fname; + if (!IS_ENABLED(CONFIG_NVVAR)) + return -ENOSYS; + p = get_param_by_name(&nv_device, name); if (!p) return -ENOENT; @@ -163,6 +169,9 @@ int nvvar_load(void) DIR *dir; struct dirent *d; + if (!IS_ENABLED(CONFIG_NVVAR)) + return -ENOSYS; + dir = opendir("/env/nv"); if (!dir) return -ENOENT; @@ -195,7 +204,7 @@ static void device_param_print(struct device_d *dev) const char *p = dev_get_param(dev, param->name); const char *nv = NULL; - if (dev != &nv_device) + if (IS_ENABLED(CONFIG_NVVAR) && dev != &nv_device) nv = dev_get_param(&nv_device, param->name); printf("%s%s: %s\n", nv ? "* " : " ", param->name, p); @@ -204,6 +213,9 @@ static void device_param_print(struct device_d *dev) void nvvar_print(void) { + if (!IS_ENABLED(CONFIG_NVVAR)) + return; + device_param_print(&nv_device); } @@ -275,7 +287,9 @@ int globalvar_add_simple(const char *name, const char *value) static int globalvar_init(void) { register_device(&global_device); - register_device(&nv_device); + + if (IS_ENABLED(CONFIG_NVVAR)) + register_device(&nv_device); globalvar_add_simple("version", UTS_RELEASE); |