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From:   Kari Argillander <kari.argillander@gmail.com>
To:     Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
        ntfs3@lists.linux.dev
Cc:     Kari Argillander <kari.argillander@gmail.com>,
        linux-kernel@vger.kernel.org,
        Christian Brauner <christian.brauner@ubuntu.com>
Subject: [PATCH 04/11] fs/ntfs3: Return straight without goto in fill_super
Date:   Thu,  9 Sep 2021 21:09:35 +0300
Message-Id: <20210909180942.8634-5-kari.argillander@gmail.com>
In-Reply-To: <20210909180942.8634-1-kari.argillander@gmail.com>
References: <20210909180942.8634-1-kari.argillander@gmail.com>
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In many places it is not needed to use goto out. We can just return
right away. This will make code little bit more cleaner as we won't
need to check error path.

Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
---
 fs/ntfs3/super.c | 56 ++++++++++++++----------------------------------
 1 file changed, 16 insertions(+), 40 deletions(-)

diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index 793c064833c2..f3c3c2bea6ca 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -923,7 +923,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	err = ntfs_init_from_boot(sb, rq ? queue_logical_block_size(rq) : 512,
 				  bd_inode->i_size);
 	if (err)
-		goto out;
+		return err;
 
 #ifdef CONFIG_NTFS3_64BIT_CLUSTER
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
@@ -939,10 +939,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_VOL);
 	inode = ntfs_iget5(sb, &ref, &NAME_VOLUME);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $Volume.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
@@ -990,10 +988,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_MIRR);
 	inode = ntfs_iget5(sb, &ref, &NAME_MIRROR);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $MFTMirr.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	sbi->mft.recs_mirr =
@@ -1006,10 +1002,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_LOG);
 	inode = ntfs_iget5(sb, &ref, &NAME_LOGFILE);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load \x24LogFile.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
@@ -1027,16 +1021,14 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 		if (!is_ro) {
 			ntfs_warn(sb,
 				  "failed to replay log file. Can't mount rw!");
-			err = -EINVAL;
-			goto out;
+			return -EINVAL;
 		}
 	} else if (sbi->volume.flags & VOLUME_FLAG_DIRTY) {
 		if (!is_ro && !sbi->options->force) {
 			ntfs_warn(
 				sb,
 				"volume is dirty and \"force\" flag is not set!");
-			err = -EINVAL;
-			goto out;
+			return -EINVAL;
 		}
 	}
 
@@ -1046,10 +1038,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 
 	inode = ntfs_iget5(sb, &ref, &NAME_MFT);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $MFT.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
@@ -1073,10 +1063,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_BADCLUST);
 	inode = ntfs_iget5(sb, &ref, &NAME_BADCLUS);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $BadClus.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
@@ -1098,10 +1086,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_BITMAP);
 	inode = ntfs_iget5(sb, &ref, &NAME_BITMAP);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $Bitmap.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
@@ -1131,17 +1117,15 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	/* Compute the MFT zone. */
 	err = ntfs_refresh_zone(sbi);
 	if (err)
-		goto out;
+		return err;
 
 	/* Load $AttrDef. */
 	ref.low = cpu_to_le32(MFT_REC_ATTR);
 	ref.seq = cpu_to_le16(MFT_REC_ATTR);
 	inode = ntfs_iget5(sbi->sb, &ref, &NAME_ATTRDEF);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $AttrDef -> %d", err);
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	if (inode->i_size < sizeof(struct ATTR_DEF_ENTRY)) {
@@ -1202,10 +1186,8 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_UPCASE);
 	inode = ntfs_iget5(sb, &ref, &NAME_UPCASE);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load $UpCase.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
@@ -1251,7 +1233,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 		/* Load $Secure. */
 		err = ntfs_security_init(sbi);
 		if (err)
-			goto out;
+			return err;
 
 		/* Load $Extend. */
 		err = ntfs_extend_init(sbi);
@@ -1275,26 +1257,20 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	ref.seq = cpu_to_le16(MFT_REC_ROOT);
 	inode = ntfs_iget5(sb, &ref, &NAME_ROOT);
 	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
 		ntfs_err(sb, "Failed to load root.");
-		inode = NULL;
-		goto out;
+		return PTR_ERR(inode);
 	}
 
 	ni = ntfs_i(inode);
 
 	sb->s_root = d_make_root(inode);
-
-	if (!sb->s_root) {
-		err = -ENOMEM;
-		goto out;
-	}
+	if (!sb->s_root)
+		return -ENOMEM;
 
 	fc->fs_private = NULL;
 	fc->s_fs_info = NULL;
 
 	return 0;
-
 out:
 	iput(inode);
 	return err;
-- 
2.25.1