linux-kernel - [PATCH] wl1251: cmd: remove redundant assignment

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Message-Id: <20210130065542.20252-1-samirweng1979@163.com>
Date:   Sat, 30 Jan 2021 14:55:42 +0800
From:   samirweng1979 <samirweng1979@....com>
To:     kvalo@...eaurora.org, davem@...emloft.net, kuba@...nel.org
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        wengjianfeng <wengjianfeng@...ong.com>
Subject: [PATCH] wl1251: cmd: remove redundant assignment

From: wengjianfeng <wengjianfeng@...ong.com>

-ENOMEM has been used as a return value,it is not necessary to
assign it, and if kzalloc fail,not need free it,so just return
-ENOMEM when kzalloc fail.

Signed-off-by: wengjianfeng <wengjianfeng@...ong.com>
---
 drivers/net/wireless/ti/wl1251/cmd.c | 36 ++++++++++++------------------------
 1 file changed, 12 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c
index e1095b8..498c8db 100644
--- a/drivers/net/wireless/ti/wl1251/cmd.c
+++ b/drivers/net/wireless/ti/wl1251/cmd.c
@@ -175,10 +175,8 @@ int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
 	wl1251_debug(DEBUG_CMD, "cmd vbm");
 
 	vbm = kzalloc(sizeof(*vbm), GFP_KERNEL);
-	if (!vbm) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!vbm)
+		return -ENOMEM;
 
 	/* Count and period will be filled by the target */
 	vbm->tim.bitmap_ctrl = bitmap_control;
@@ -213,10 +211,8 @@ int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable)
 	wl1251_debug(DEBUG_CMD, "cmd data path");
 
 	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
-	if (!cmd) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!cmd)
+		return -ENOMEM;
 
 	cmd->channel = channel;
 
@@ -279,10 +275,8 @@ int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
 	u8 *bssid;
 
 	join = kzalloc(sizeof(*join), GFP_KERNEL);
-	if (!join) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!join)
+		return -ENOMEM;
 
 	wl1251_debug(DEBUG_CMD, "cmd join%s ch %d %d/%d",
 		     bss_type == BSS_TYPE_IBSS ? " ibss" : "",
@@ -324,10 +318,8 @@ int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode)
 	wl1251_debug(DEBUG_CMD, "cmd set ps mode");
 
 	ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
-	if (!ps_params) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!ps_params)
+		return -ENOMEM;
 
 	ps_params->ps_mode = ps_mode;
 	ps_params->send_null_data = 1;
@@ -356,10 +348,8 @@ int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer,
 	wl1251_debug(DEBUG_CMD, "cmd read memory");
 
 	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
-	if (!cmd) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!cmd)
+		return -ENOMEM;
 
 	WARN_ON(len > MAX_READ_SIZE);
 	len = min_t(size_t, len, MAX_READ_SIZE);
@@ -401,10 +391,8 @@ int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id,
 	cmd_len = ALIGN(sizeof(*cmd) + buf_len, 4);
 
 	cmd = kzalloc(cmd_len, GFP_KERNEL);
-	if (!cmd) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!cmd)
+		return -ENOMEM;
 
 	cmd->size = cpu_to_le16(buf_len);
 
-- 
1.9.1