GCC4.6: Squash warning in cmd_nvedit.c

cmd_nvedit.c: In function ‘do_env_edit’:
cmd_nvedit.c:463:6: warning: variable ‘len’ set but not used
[-Wunused-but-set-variable]

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
[sw0312.kim: cherry-pick from mainline commit 7fcd9bbd6f0a6 to fix build warning]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Change-Id: I241ecf6c472b6fc43ccc2254abaa38434767586c

diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index dcc93c1..d92b94d 100644 (file)
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -424,7 +424,6 @@ int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        char buffer[CONFIG_SYS_CBSIZE];
        char *init_val;
-       int len;
 
        if (argc < 2)
                return cmd_usage(cmdtp);
@@ -432,7 +431,7 @@ int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        /* Set read buffer to initial value or empty sting */
        init_val = getenv(argv[1]);
        if (init_val)
-               len = sprintf(buffer, "%s", init_val);
+               sprintf(buffer, "%s", init_val);
        else
                buffer[0] = '\0';