In commit bd7b26f8 (Tools: set multiple variable with fw_setenv utility),
the option parsing was changed to getopt_long(3), but option "-n"
of fw_printenv was not included.

This leads to an error message "invalid option -- 'n'" on stderr,
although the output on stdout is correct.

Signed-off-by: Daniel Hobi <[email protected]>
---
 tools/env/fw_env_main.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/env/fw_env_main.c b/tools/env/fw_env_main.c
index 82116b4..baf3a4d 100644
--- a/tools/env/fw_env_main.c
+++ b/tools/env/fw_env_main.c
@@ -59,7 +59,7 @@ void usage(void)
 
        fprintf(stderr, "fw_printenv/fw_setenv, "
                "a command line interface to U-Boot environment\n\n"
-               "usage:\tfw_printenv\n"
+               "usage:\tfw_printenv [-n] [variable name]\n"
                "\tfw_setenv [variable name] [variable value]\n"
                "\tfw_setenv -s [ file ]\n"
                "\tfw_setenv -s - < [ file ]\n\n"
@@ -93,9 +93,12 @@ main(int argc, char *argv[])
                cmdname = p + 1;
        }
 
-       while ((c = getopt_long (argc, argv, "s:h",
+       while ((c = getopt_long (argc, argv, "ns:h",
                long_options, NULL)) != EOF) {
                switch (c) {
+               case 'n':
+                       /* handled in fw_printenv */
+                       break;
                case 's':
                        script_file = optarg;
                        break;
-- 
1.7.2.3

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