staging: exfat: Clean up return codes - FFS_DIRBUSY

Convert FFS_DIRBUSY to -EBUSY
Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Link: https://lore.kernel.org/r/20191024155327.1095907-4-Valdis.Kletnieks@vt.eduSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/exfat/exfat.h

@@ -221,7 +221,6 @@ static inline u16 get_row_index(u16 i)
 #define FFS_NOTOPENED           12
 #define FFS_MAXOPENED           13
 #define FFS_EOF                 15
-#define FFS_DIRBUSY             16
 #define FFS_MEMORYERR           17
 #define FFS_NAMETOOLONG		18
 #define FFS_ERROR               19

drivers/staging/exfat/exfat_super.c

@@ -2703,7 +2703,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
 			err = -ENOTEMPTY;
 		else if (err == -ENOENT)
 			err = -ENOENT;
-		else if (err == FFS_DIRBUSY)
+		else if (err == -EBUSY)
 			err = -EBUSY;
 		else
 			err = -EIO;