net: tftp: use IS_ENABLED(CONFIG_NET_TFTP_VARS) instead of #if

Nothing inside this block depends on NET_TFTP_VARS to be set to parse
correctly. Switch to C if() in preparation for adding code before
this (to avoid a declaration-after-statement warning).

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
[trini: Update to cover CONFIG_TFTP_PORT case as well]
Signed-off-by: Tom Rini <trini@konsulko.com>

diff --git a/net/tftp.c b/net/tftp.c
index dea9c25..9d3370f 100644 (file)
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -710,42 +710,42 @@ static int tftp_init_load_addr(void)
 
 void tftp_start(enum proto_t protocol)
 {
-#if CONFIG_NET_TFTP_VARS
-       char *ep;             /* Environment pointer */
+       __maybe_unused char *ep;             /* Environment pointer */
+       if (IS_ENABLED(CONFIG_NET_TFTP_VARS)) {
 
-       /*
-        * Allow the user to choose TFTP blocksize and timeout.
-        * TFTP protocol has a minimal timeout of 1 second.
-        */
+               /*
+                * Allow the user to choose TFTP blocksize and timeout.
+                * TFTP protocol has a minimal timeout of 1 second.
+                */
 
-       ep = env_get("tftpblocksize");
-       if (ep != NULL)
-               tftp_block_size_option = simple_strtol(ep, NULL, 10);
+               ep = env_get("tftpblocksize");
+               if (ep != NULL)
+                       tftp_block_size_option = simple_strtol(ep, NULL, 10);
 
-       ep = env_get("tftpwindowsize");
-       if (ep != NULL)
-               tftp_window_size_option = simple_strtol(ep, NULL, 10);
+               ep = env_get("tftpwindowsize");
+               if (ep != NULL)
+                       tftp_window_size_option = simple_strtol(ep, NULL, 10);
 
-       ep = env_get("tftptimeout");
-       if (ep != NULL)
-               timeout_ms = simple_strtol(ep, NULL, 10);
+               ep = env_get("tftptimeout");
+               if (ep != NULL)
+                       timeout_ms = simple_strtol(ep, NULL, 10);
 
-       if (timeout_ms < 1000) {
-               printf("TFTP timeout (%ld ms) too low, set min = 1000 ms\n",
-                      timeout_ms);
-               timeout_ms = 1000;
-       }
+               if (timeout_ms < 1000) {
+                       printf("TFTP timeout (%ld ms) too low, set min = 1000 ms\n",
+                              timeout_ms);
+                       timeout_ms = 1000;
+               }
 
-       ep = env_get("tftptimeoutcountmax");
-       if (ep != NULL)
-               tftp_timeout_count_max = simple_strtol(ep, NULL, 10);
+               ep = env_get("tftptimeoutcountmax");
+               if (ep != NULL)
+                       tftp_timeout_count_max = simple_strtol(ep, NULL, 10);
 
-       if (tftp_timeout_count_max < 0) {
-               printf("TFTP timeout count max (%d ms) negative, set to 0\n",
-                      tftp_timeout_count_max);
-               tftp_timeout_count_max = 0;
+               if (tftp_timeout_count_max < 0) {
+                       printf("TFTP timeout count max (%d ms) negative, set to 0\n",
+                              tftp_timeout_count_max);
+                       tftp_timeout_count_max = 0;
+               }
        }
-#endif
 
        debug("TFTP blocksize = %i, TFTP windowsize = %d timeout = %ld ms\n",
              tftp_block_size_option, tftp_window_size_option, timeout_ms);