staging: exfat: Clean up return codes - FFS_ERROR

Convert FFS_ERROR to -EINVAL
Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Link: https://lore.kernel.org/r/20191112021000.42091-6-Valdis.Kletnieks@vt.eduSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/exfat/exfat.h

@@ -216,7 +216,6 @@ static inline u16 get_row_index(u16 i)
 #define FFS_SEMAPHOREERR        6
 #define FFS_NOTOPENED           12
 #define FFS_MAXOPENED           13
-#define FFS_ERROR               19
 
 #define NUM_UPCASE              2918
 

drivers/staging/exfat/exfat_core.c

@@ -699,7 +699,7 @@ void sync_alloc_bitmap(struct super_block *sb)
 static s32 __load_upcase_table(struct super_block *sb, sector_t sector,
 			       u32 num_sectors, u32 utbl_checksum)
 {
-	int i, ret = FFS_ERROR;
+	int i, ret = -EINVAL;
 	u32 j;
 	struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
 	struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info);
@@ -774,7 +774,7 @@ static s32 __load_upcase_table(struct super_block *sb, sector_t sector,
 			brelse(tmp_bh);
 		return FFS_SUCCESS;
 	}
-	ret = FFS_ERROR;
+	ret = -EINVAL;
 error:
 	if (tmp_bh)
 		brelse(tmp_bh);
@@ -784,7 +784,7 @@ static s32 __load_upcase_table(struct super_block *sb, sector_t sector,
 
 static s32 __load_default_upcase_table(struct super_block *sb)
 {
-	int i, ret = FFS_ERROR;
+	int i, ret = -EINVAL;
 	u32 j;
 	struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
 
@@ -1906,7 +1906,7 @@ static s32 __write_partial_entries_in_entry_set(struct super_block *sb,
 	return FFS_SUCCESS;
 err_out:
 	pr_debug("%s failed\n", __func__);
-	return FFS_ERROR;
+	return -EINVAL;
 }
 
 /* write back all entries in entry set */
@@ -1931,7 +1931,7 @@ s32 write_partial_entries_in_entry_set(struct super_block *sb,
 
 	/* vaidity check */
 	if (ep + count  > ((struct dentry_t *)&es->__buf) + es->num_entries)
-		return FFS_ERROR;
+		return -EINVAL;
 
 	dir.dir = GET_CLUSTER_FROM_SECTOR(es->sector);
 	dir.flags = es->alloc_flag;

drivers/staging/exfat/exfat_super.c

@@ -498,7 +498,7 @@ static int ffsGetVolInfo(struct super_block *sb, struct vol_info_t *info)
 
 	/* check the validity of pointer parameters */
 	if (!info)
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -561,7 +561,7 @@ static int ffsLookupFile(struct inode *inode, char *path, struct file_id_t *fid)
 
 	/* check the validity of pointer parameters */
 	if (!fid || !path || (*path == '\0'))
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -654,7 +654,7 @@ static int ffsCreateFile(struct inode *inode, char *path, u8 mode,
 
 	/* check the validity of pointer parameters */
 	if (!fid || !path || (*path == '\0'))
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -703,7 +703,7 @@ static int ffsReadFile(struct inode *inode, struct file_id_t *fid, void *buffer,
 
 	/* check the validity of pointer parameters */
 	if (!buffer)
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -835,7 +835,7 @@ static int ffsWriteFile(struct inode *inode, struct file_id_t *fid,
 
 	/* check the validity of pointer parameters */
 	if (!buffer)
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -1241,7 +1241,7 @@ static int ffsMoveFile(struct inode *old_parent_inode, struct file_id_t *fid,
 
 	/* check the validity of pointer parameters */
 	if (!new_path || (*new_path == '\0'))
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -1464,7 +1464,7 @@ static int ffsSetAttr(struct inode *inode, u32 attr)
 		if (p_fs->dev_ejected)
 			ret = -EIO;
 		else
-			ret = FFS_ERROR;
+			ret = -EINVAL;
 
 		if (p_fs->vol_type == EXFAT)
 			release_entry_set(es);
@@ -1756,7 +1756,7 @@ static int ffsMapCluster(struct inode *inode, s32 clu_offset, u32 *clu)
 
 	/* check the validity of pointer parameters */
 	if (!clu)
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -1908,7 +1908,7 @@ static int ffsCreateDir(struct inode *inode, char *path, struct file_id_t *fid)
 
 	/* check the validity of pointer parameters */
 	if (!fid || !path || (*path == '\0'))
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* acquire the lock for file system critical section */
 	mutex_lock(&p_fs->v_mutex);
@@ -1954,7 +1954,7 @@ static int ffsReadDir(struct inode *inode, struct dir_entry_t *dir_entry)
 
 	/* check the validity of pointer parameters */
 	if (!dir_entry)
-		return FFS_ERROR;
+		return -EINVAL;
 
 	/* check if the given file ID is opened */
 	if (fid->type != TYPE_DIR)