linux-kernel - [PATCH 04/15] staging: exfat: Clean up return codes

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Message-Id: <20191024155327.1095907-5-Valdis.Kletnieks@vt.edu>
Date:   Thu, 24 Oct 2019 11:53:15 -0400
From:   Valdis Kletnieks <valdis.kletnieks@...edu>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Valdis Kletnieks <Valdis.Kletnieks@...edu>,
        Valdis Kletnieks <valdis.kletnieks@...edu>,
        linux-fsdevel@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 04/15] staging: exfat: Clean up return codes - FFS_PERMISSIONERR

Convert FFS_PERMISSIONERR to -EPERM

Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@...edu>
---
 drivers/staging/exfat/exfat.h       |  1 -
 drivers/staging/exfat/exfat_super.c | 20 ++++++++++----------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/exfat/exfat.h b/drivers/staging/exfat/exfat.h
index ec52237b01cd..86bdcf222a5a 100644
--- a/drivers/staging/exfat/exfat.h
+++ b/drivers/staging/exfat/exfat.h
@@ -217,7 +217,6 @@ static inline u16 get_row_index(u16 i)
 #define FFS_INVALIDPATH         7
 #define FFS_INVALIDFID          8
 #define FFS_FILEEXIST           10
-#define FFS_PERMISSIONERR       11
 #define FFS_NOTOPENED           12
 #define FFS_MAXOPENED           13
 #define FFS_EOF                 15
diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c
index 566cfba0a522..fd5d8ba0d8bc 100644
--- a/drivers/staging/exfat/exfat_super.c
+++ b/drivers/staging/exfat/exfat_super.c
@@ -702,7 +702,7 @@ static int ffsReadFile(struct inode *inode, struct file_id_t *fid, void *buffer,
 
 	/* check if the given file ID is opened */
 	if (fid->type != TYPE_FILE) {
-		ret = FFS_PERMISSIONERR;
+		ret = -EPERM;
 		goto out;
 	}
 
@@ -832,7 +832,7 @@ static int ffsWriteFile(struct inode *inode, struct file_id_t *fid,
 
 	/* check if the given file ID is opened */
 	if (fid->type != TYPE_FILE) {
-		ret = FFS_PERMISSIONERR;
+		ret = -EPERM;
 		goto out;
 	}
 
@@ -1079,7 +1079,7 @@ static int ffsTruncateFile(struct inode *inode, u64 old_size, u64 new_size)
 
 	/* check if the given file ID is opened */
 	if (fid->type != TYPE_FILE) {
-		ret = FFS_PERMISSIONERR;
+		ret = -EPERM;
 		goto out;
 	}
 
@@ -1246,7 +1246,7 @@ static int ffsMoveFile(struct inode *old_parent_inode, struct file_id_t *fid,
 	/* check if the old file is "." or ".." */
 	if (p_fs->vol_type != EXFAT) {
 		if ((olddir.dir != p_fs->root_dir) && (dentry < 2)) {
-			ret = FFS_PERMISSIONERR;
+			ret = -EPERM;
 			goto out2;
 		}
 	}
@@ -1258,7 +1258,7 @@ static int ffsMoveFile(struct inode *old_parent_inode, struct file_id_t *fid,
 	}
 
 	if (p_fs->fs_func->get_entry_attr(ep) & ATTR_READONLY) {
-		ret = FFS_PERMISSIONERR;
+		ret = -EPERM;
 		goto out2;
 	}
 
@@ -1365,7 +1365,7 @@ static int ffsRemoveFile(struct inode *inode, struct file_id_t *fid)
 	}
 
 	if (p_fs->fs_func->get_entry_attr(ep) & ATTR_READONLY) {
-		ret = FFS_PERMISSIONERR;
+		ret = -EPERM;
 		goto out;
 	}
 	fs_set_vol_flags(sb, VOL_DIRTY);
@@ -1947,7 +1947,7 @@ static int ffsReadDir(struct inode *inode, struct dir_entry_t *dir_entry)
 
 	/* check if the given file ID is opened */
 	if (fid->type != TYPE_DIR)
-		return FFS_PERMISSIONERR;
+		return -EPERM;
 
 	/* acquire the lock for file system critical section */
 	down(&p_fs->v_sem);
@@ -2145,7 +2145,7 @@ static int ffsRemoveDir(struct inode *inode, struct file_id_t *fid)
 	/* check if the file is "." or ".." */
 	if (p_fs->vol_type != EXFAT) {
 		if ((dir.dir != p_fs->root_dir) && (dentry < 2))
-			return FFS_PERMISSIONERR;
+			return -EPERM;
 	}
 
 	/* acquire the lock for file system critical section */
@@ -2526,7 +2526,7 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry)
 
 	err = ffsRemoveFile(dir, &(EXFAT_I(inode)->fid));
 	if (err) {
-		if (err == FFS_PERMISSIONERR)
+		if (err == -EPERM)
 			err = -EPERM;
 		else
 			err = -EIO;
@@ -2746,7 +2746,7 @@ static int exfat_rename(struct inode *old_dir, struct dentry *old_dentry,
 	err = ffsMoveFile(old_dir, &(EXFAT_I(old_inode)->fid), new_dir,
 			  new_dentry);
 	if (err) {
-		if (err == FFS_PERMISSIONERR)
+		if (err == -EPERM)
 			err = -EPERM;
 		else if (err == FFS_INVALIDPATH)
 			err = -EINVAL;
-- 
2.23.0