Rather than updating the global, update the value of some parameters,
so the action of the function is simpler.

Signed-off-by: Simon Glass <s...@chromium.org>
---

(no changes since v1)

 cmd/net.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/cmd/net.c b/cmd/net.c
index d15d344cb54..cc968e9460f 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -297,13 +297,15 @@ static void netboot_update_env(void)
 /**
  * parse_addr_size() - parse address and size arguments for tftpput
  *
- * @argv:      command line arguments
+ * @argv:      command line arguments (argv[1] and argv[2] must be valid)
+ * @addrp:     returns the address, on success
+ * @sizep:     returns the size, on success
  * Return:     0 on success
  */
-static int parse_addr_size(char * const argv[])
+static int parse_addr_size(char * const argv[], ulong *addrp, ulong *sizep)
 {
-       if (strict_strtoul(argv[1], 16, &image_save_addr) < 0 ||
-           strict_strtoul(argv[2], 16, &image_save_size) < 0) {
+       if (strict_strtoul(argv[1], 16, addrp) < 0 ||
+           strict_strtoul(argv[2], 16, sizep) < 0) {
                printf("Invalid address/size\n");
                return CMD_RET_USAGE;
        }
@@ -356,7 +358,8 @@ static int parse_args(enum proto_t proto, int argc, char 
*const argv[],
 
        case 3:
                if (IS_ENABLED(CONFIG_CMD_TFTPPUT) && proto == TFTPPUT) {
-                       if (parse_addr_size(argv))
+                       if (parse_addr_size(argv, &image_save_addr,
+                                           &image_save_size))
                                return 1;
                } else {
                        *addrp = hextoul(argv[1], NULL);
@@ -366,7 +369,7 @@ static int parse_args(enum proto_t proto, int argc, char 
*const argv[],
 
 #ifdef CONFIG_CMD_TFTPPUT
        case 4:
-               if (parse_addr_size(argv))
+               if (parse_addr_size(argv, &image_save_addr, &image_save_size))
                        return 1;
                *fnamep = argv[3];
                break;
-- 
2.43.0

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