'str' in dhcp_set_string_options is never modified, so make it const.
With this we no longer have to cast away the const returned from getenv.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
net/dhcp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/dhcp.c b/net/dhcp.c
index 78e5fe0..4433b44 100644
--- a/net/dhcp.c
+++ b/net/dhcp.c
@@ -204,13 +204,13 @@ static void bootfile_vendorex_handle(struct dhcp_opt *opt, unsigned char *popt,
static int dhcp_set_string_options(struct dhcp_opt *param, u8 *e)
{
int str_len;
- char* str = param->data;
+ const char *str = param->data;
if (!str && param->barebox_var_name && IS_ENABLED(CONFIG_ENVIRONMENT_VARIABLES))
- str = (char*)getenv(param->barebox_var_name);
+ str = getenv(param->barebox_var_name);
if (!str && param->barebox_dhcp_global && IS_ENABLED(CONFIG_GLOBALVAR))
- str = (char*)dhcp_get_barebox_global(param->barebox_dhcp_global);
+ str = dhcp_get_barebox_global(param->barebox_dhcp_global);
if (!str)
return 0;
--
2.6.2
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