diff options
| -rw-r--r-- | common/env.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/common/env.c b/common/env.c index 50da2eacb3..04ca275d44 100644 --- a/common/env.c +++ b/common/env.c @@ -198,35 +198,45 @@ static int setenv_raw(struct variable_d *var, const char *name, const char *valu return 0; } -int setenv(const char *name, const char *value) +int setenv(const char *_name, const char *value) { + char *name = strdup(_name); char *par; + struct variable_d *var; + int ret = 0; if (!*value) value = NULL; + if ((par = strchr(name, '.'))) { struct device_d *dev; + *par++ = 0; dev = get_device_by_id(name); - if (dev) { - int ret = dev_set_param(dev, par, value); - if (ret < 0) - perror("set parameter"); - errno = 0; - } else { - errno = -ENODEV; + if (dev) + ret = dev_set_param(dev, par, value); + else + ret = -ENODEV; + + errno = ret; + + if (ret < 0) perror("set parameter"); - } - return errno; + + goto out; } if (getenv_raw(context->global, name)) - setenv_raw(context->global, name, value); + var = context->global; else - setenv_raw(context->local, name, value); + var = context->local; - return 0; + ret = setenv_raw(var, name, value); +out: + free(name); + + return ret; } EXPORT_SYMBOL(setenv); |