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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-12-11 19:56:27 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-12-14 11:40:45 +0100 |
| commit | 7065fa32cac8af222bffc2ce9256931beaa2acfc (patch) | |
| tree | 0c06ffd7443d43e50cbcdec67974ad1ecf933e92 /net | |
| parent | 802d8fdfbe0afbb76f4a6dc862d12aa422f42520 (diff) | |
| download | barebox-7065fa32cac8af222bffc2ce9256931beaa2acfc.tar.gz barebox-7065fa32cac8af222bffc2ce9256931beaa2acfc.tar.xz | |
net: dhcp: make unmodified variable const
'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@pengutronix.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/dhcp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/dhcp.c b/net/dhcp.c index 78e5fe05ce..4433b442db 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; |