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Date:   Fri,  5 Aug 2022 16:41:53 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     netdev@...r.kernel.org
Cc:     Jacob Keller <jacob.e.keller@...el.com>,
        Jonathan Corbet <corbet@....net>, Jiri Pirko <jiri@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Ahern <dsahern@...nel.org>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [RFC iproute2 4/6] devlink: use dl_no_arg instead of checking dl_argc == 0

Use the helper dl_no_arg function to check for whether the command has any
arguments.

Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
---
 devlink/devlink.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/devlink/devlink.c b/devlink/devlink.c
index 21f26246f91b..485b1a82f9ef 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -3338,7 +3338,7 @@ static int cmd_dev_param_show(struct dl *dl)
 	struct nlmsghdr *nlh;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
@@ -3494,7 +3494,7 @@ static int cmd_dev_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_GET, flags);
@@ -3714,7 +3714,7 @@ static int cmd_dev_info(struct dl *dl)
 		return 0;
 	}
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_INFO_GET, flags);
@@ -4517,7 +4517,7 @@ static int cmd_port_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_GET, flags);
@@ -4585,7 +4585,7 @@ static int cmd_port_param_show(struct dl *dl)
 	struct nlmsghdr *nlh;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_GET,
@@ -4939,7 +4939,7 @@ static int cmd_port_fn_rate_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_GET, flags);
@@ -5303,7 +5303,7 @@ static int cmd_linecard_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_LINECARD_GET,
@@ -5418,7 +5418,7 @@ static int cmd_sb_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_GET, flags);
@@ -5495,7 +5495,7 @@ static int cmd_sb_pool_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags);
@@ -5580,7 +5580,7 @@ static int cmd_sb_port_pool_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags);
@@ -5684,7 +5684,7 @@ static int cmd_sb_tc_bind_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags);
@@ -8354,7 +8354,7 @@ static int cmd_region_show(struct dl *dl)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_GET, flags);
@@ -9024,7 +9024,7 @@ static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port)
 	uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET,
 			       flags);
@@ -9216,7 +9216,7 @@ static int cmd_trap_show(struct dl *dl)
 	struct nlmsghdr *nlh;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GET, flags);
@@ -9291,7 +9291,7 @@ static int cmd_trap_group_show(struct dl *dl)
 	struct nlmsghdr *nlh;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GROUP_GET, flags);
@@ -9388,7 +9388,7 @@ static int cmd_trap_policer_show(struct dl *dl)
 	struct nlmsghdr *nlh;
 	int err;
 
-	if (dl_argc(dl) == 0)
+	if (dl_no_arg(dl))
 		flags |= NLM_F_DUMP;
 
 	nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_POLICER_GET, flags);
-- 
2.37.1.208.ge72d93e88cb2

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