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setenv: Fix warning introduced with last commit 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2008-08-20 17:46:07 +02:00
parent bcb049a702
commit 66a936fa64
1 changed files with 23 additions and 13 deletions
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36
common/env.c
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@ -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);