[PATCH] cmd: return code when tlv_eeprom incorrectly called

A command called with incorrect parameters should set $? to 1 (false). Instead of calling cmd_usage(cmdtp) and then returning 0 just return CMD_RET_FAILURE.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- cmd/tlv_eeprom.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/cmd/tlv_eeprom.c b/cmd/tlv_eeprom.c index bf8d453dc5..4591ff336b 100644 --- a/cmd/tlv_eeprom.c +++ b/cmd/tlv_eeprom.c @@ -479,17 +479,14 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) show_tlv_devices(); break; default: - cmd_usage(cmdtp); - break; + return CMD_RET_USAGE; } return 0; }
// The set command takes one or two args. - if (argc > 4) { - cmd_usage(cmdtp); - return 0; - } + if (argc > 4) + return CMD_RET_USAGE;
// Set command. If the TLV exists in the EEPROM, delete it. Then if // data was supplied for this TLV add the TLV with the new contents at @@ -512,7 +509,7 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) current_dev = devnum; has_been_read = 0; } else { - cmd_usage(cmdtp); + return CMD_RET_USAGE; }
return 0;

Hi Heinrich,
On Fri, Jan 27 2023, Heinrich Schuchardt wrote:
A command called with incorrect parameters should set $? to 1 (false). Instead of calling cmd_usage(cmdtp) and then returning 0 just return CMD_RET_FAILURE.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
Acked-by: Baruch Siach baruch@tkos.co.il
Thanks, baruch
cmd/tlv_eeprom.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/cmd/tlv_eeprom.c b/cmd/tlv_eeprom.c index bf8d453dc5..4591ff336b 100644 --- a/cmd/tlv_eeprom.c +++ b/cmd/tlv_eeprom.c @@ -479,17 +479,14 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) show_tlv_devices(); break; default:
cmd_usage(cmdtp);
break;
return CMD_RET_USAGE;
} return 0; }
// The set command takes one or two args.
- if (argc > 4) {
cmd_usage(cmdtp);
return 0;
- }
if (argc > 4)
return CMD_RET_USAGE;
// Set command. If the TLV exists in the EEPROM, delete it. Then if // data was supplied for this TLV add the TLV with the new contents at
@@ -512,7 +509,7 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) current_dev = devnum; has_been_read = 0; } else {
cmd_usage(cmdtp);
return CMD_RET_USAGE;
}
return 0;

On 1/27/23 22:49, Heinrich Schuchardt wrote:
A command called with incorrect parameters should set $? to 1 (false). Instead of calling cmd_usage(cmdtp) and then returning 0 just return CMD_RET_FAILURE.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
Reviewed-by: Stefan Roese sr@denx.de
Thanks, Stefan
cmd/tlv_eeprom.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/cmd/tlv_eeprom.c b/cmd/tlv_eeprom.c index bf8d453dc5..4591ff336b 100644 --- a/cmd/tlv_eeprom.c +++ b/cmd/tlv_eeprom.c @@ -479,17 +479,14 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) show_tlv_devices(); break; default:
cmd_usage(cmdtp);
break;
return CMD_RET_USAGE;
} return 0; }
// The set command takes one or two args.
- if (argc > 4) {
cmd_usage(cmdtp);
return 0;
- }
if (argc > 4)
return CMD_RET_USAGE;
// Set command. If the TLV exists in the EEPROM, delete it. Then if // data was supplied for this TLV add the TLV with the new contents at
@@ -512,7 +509,7 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) current_dev = devnum; has_been_read = 0; } else {
cmd_usage(cmdtp);
return CMD_RET_USAGE;
}
return 0;
Viele Grüße, Stefan Roese

On 1/27/23 22:49, Heinrich Schuchardt wrote:
A command called with incorrect parameters should set $? to 1 (false). Instead of calling cmd_usage(cmdtp) and then returning 0 just return CMD_RET_FAILURE.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com
Applied to u-boot-marvell/master
Thanks, Stefan
cmd/tlv_eeprom.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/cmd/tlv_eeprom.c b/cmd/tlv_eeprom.c index bf8d453dc5..4591ff336b 100644 --- a/cmd/tlv_eeprom.c +++ b/cmd/tlv_eeprom.c @@ -479,17 +479,14 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) show_tlv_devices(); break; default:
cmd_usage(cmdtp);
break;
return CMD_RET_USAGE;
} return 0; }
// The set command takes one or two args.
- if (argc > 4) {
cmd_usage(cmdtp);
return 0;
- }
if (argc > 4)
return CMD_RET_USAGE;
// Set command. If the TLV exists in the EEPROM, delete it. Then if // data was supplied for this TLV add the TLV with the new contents at
@@ -512,7 +509,7 @@ int do_tlv_eeprom(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) current_dev = devnum; has_been_read = 0; } else {
cmd_usage(cmdtp);
return CMD_RET_USAGE;
}
return 0;
Viele Grüße, Stefan Roese
participants (3)
-
Baruch Siach
-
Heinrich Schuchardt
-
Stefan Roese