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From: samirweng1979 <samirweng1979@163.com>
To: davem@davemloft.net, rdunlap@infradead.org, unixbhaskar@gmail.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	wengjianfeng <wengjianfeng@yulong.com>
Subject: [PATCH] nfc/fdp: remove unnecessary assignment and label
Date: Wed,  7 Apr 2021 11:16:38 +0800	[thread overview]
Message-ID: <20210407031638.4416-1-samirweng1979@163.com> (raw)

From: wengjianfeng <wengjianfeng@yulong.com>

In function fdp_nci_patch_otp and fdp_nci_patch_ram，many goto
out statements are used, and out label just return variable r.
in some places,just jump to the out label, and in other places,
assign a value to the variable r,then jump to the out label.
It is unnecessary, we just use return sentences to replace goto
sentences and delete out label.

Signed-off-by: wengjianfeng <wengjianfeng@yulong.com>
---
 drivers/nfc/fdp/fdp.c | 42 ++++++++++++++++--------------------------
 1 file changed, 16 insertions(+), 26 deletions(-)

diff --git a/drivers/nfc/fdp/fdp.c b/drivers/nfc/fdp/fdp.c
index ee2baa2b..fe0719e 100644
--- a/drivers/nfc/fdp/fdp.c
+++ b/drivers/nfc/fdp/fdp.c
@@ -344,7 +344,7 @@ static int fdp_nci_patch_otp(struct nci_dev *ndev)
 	int r = 0;
 
 	if (info->otp_version >= info->otp_patch_version)
-		goto out;
+		return r;
 
 	info->setup_patch_sent = 0;
 	info->setup_reset_ntf = 0;
@@ -353,19 +353,17 @@ static int fdp_nci_patch_otp(struct nci_dev *ndev)
 	/* Patch init request */
 	r = fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_OTP);
 	if (r)
-		goto out;
+		return r;
 
 	/* Patch data connection creation */
 	conn_id = fdp_nci_create_conn(ndev);
-	if (conn_id < 0) {
-		r = conn_id;
-		goto out;
-	}
+	if (conn_id < 0)
+		return conn_id;
 
 	/* Send the patch over the data connection */
 	r = fdp_nci_send_patch(ndev, conn_id, NCI_PATCH_TYPE_OTP);
 	if (r)
-		goto out;
+		return r;
 
 	/* Wait for all the packets to be send over i2c */
 	wait_event_interruptible(info->setup_wq,
@@ -377,13 +375,12 @@ static int fdp_nci_patch_otp(struct nci_dev *ndev)
 	/* Close the data connection */
 	r = nci_core_conn_close(info->ndev, conn_id);
 	if (r)
-		goto out;
+		return r;
 
 	/* Patch finish message */
 	if (fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_EOT)) {
 		nfc_err(dev, "OTP patch error 0x%x\n", r);
-		r = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
 	/* If the patch notification didn't arrive yet, wait for it */
@@ -393,8 +390,7 @@ static int fdp_nci_patch_otp(struct nci_dev *ndev)
 	r = info->setup_patch_status;
 	if (r) {
 		nfc_err(dev, "OTP patch error 0x%x\n", r);
-		r = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
 	/*
@@ -403,7 +399,6 @@ static int fdp_nci_patch_otp(struct nci_dev *ndev)
 	 */
 	wait_event_interruptible(info->setup_wq, info->setup_reset_ntf);
 
-out:
 	return r;
 }
 
@@ -415,7 +410,7 @@ static int fdp_nci_patch_ram(struct nci_dev *ndev)
 	int r = 0;
 
 	if (info->ram_version >= info->ram_patch_version)
-		goto out;
+		return r;
 
 	info->setup_patch_sent = 0;
 	info->setup_reset_ntf = 0;
@@ -424,19 +419,17 @@ static int fdp_nci_patch_ram(struct nci_dev *ndev)
 	/* Patch init request */
 	r = fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_RAM);
 	if (r)
-		goto out;
+		return r;
 
 	/* Patch data connection creation */
 	conn_id = fdp_nci_create_conn(ndev);
-	if (conn_id < 0) {
-		r = conn_id;
-		goto out;
-	}
+	if (conn_id < 0)
+		return conn_id;
 
 	/* Send the patch over the data connection */
 	r = fdp_nci_send_patch(ndev, conn_id, NCI_PATCH_TYPE_RAM);
 	if (r)
-		goto out;
+		return r;
 
 	/* Wait for all the packets to be send over i2c */
 	wait_event_interruptible(info->setup_wq,
@@ -448,13 +441,12 @@ static int fdp_nci_patch_ram(struct nci_dev *ndev)
 	/* Close the data connection */
 	r = nci_core_conn_close(info->ndev, conn_id);
 	if (r)
-		goto out;
+		return r;
 
 	/* Patch finish message */
 	if (fdp_nci_patch_cmd(ndev, NCI_PATCH_TYPE_EOT)) {
 		nfc_err(dev, "RAM patch error 0x%x\n", r);
-		r = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
 	/* If the patch notification didn't arrive yet, wait for it */
@@ -464,8 +456,7 @@ static int fdp_nci_patch_ram(struct nci_dev *ndev)
 	r = info->setup_patch_status;
 	if (r) {
 		nfc_err(dev, "RAM patch error 0x%x\n", r);
-		r = -EINVAL;
-		goto out;
+		return -EINVAL;
 	}
 
 	/*
@@ -474,7 +465,6 @@ static int fdp_nci_patch_ram(struct nci_dev *ndev)
 	 */
 	wait_event_interruptible(info->setup_wq, info->setup_reset_ntf);
 
-out:
 	return r;
 }
 
-- 
1.9.1



             reply	other threads:[~2021-04-07  3:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07  3:16 samirweng1979 [this message]
2021-04-07 21:40 ` [PATCH] nfc/fdp: remove unnecessary assignment and label patchwork-bot+netdevbpf

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