udf: replace all adds to little endians variables with le*_add_cpu

replace all:
	little_endian_variable = cpu_to_leX(leX_to_cpu(little_endian_variable) +
	                                    expression_in_cpu_byteorder);
with:
	leX_add_cpu(&little_endian_variable, expression_in_cpu_byteorder);
sparse didn't generate any new warning with this patch

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 4 insertions, 8 deletions

diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index c3fb28eee646..eb9cfa23dc3d 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -46,11 +46,9 @@ void udf_free_inode(struct inode *inode)
                 struct logicalVolIntegrityDescImpUse *lvidiu =
                                                         udf_sb_lvidiu(sbi);
                 if (S_ISDIR(inode->i_mode))
-                        lvidiu->numDirs =
-                                cpu_to_le32(le32_to_cpu(lvidiu->numDirs) - 1);
+                        le32_add_cpu(&lvidiu->numDirs, -1);
                 else
-                        lvidiu->numFiles =
-                                cpu_to_le32(le32_to_cpu(lvidiu->numFiles) - 1);
+                        le32_add_cpu(&lvidiu->numFiles, -1);
 
                 mark_buffer_dirty(sbi->s_lvid_bh);
         }
@@ -104,11 +102,9 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
                 lvhd = (struct logicalVolHeaderDesc *)
                                 (lvid->logicalVolContentsUse);
                 if (S_ISDIR(mode))
-                        lvidiu->numDirs =
-                                cpu_to_le32(le32_to_cpu(lvidiu->numDirs) + 1);
+                        le32_add_cpu(&lvidiu->numDirs, 1);
                 else
-                        lvidiu->numFiles =
-                                cpu_to_le32(le32_to_cpu(lvidiu->numFiles) + 1);
+                        le32_add_cpu(&lvidiu->numFiles, 1);
                 iinfo->i_unique = uniqueID = le64_to_cpu(lvhd->uniqueID);
                 if (!(++uniqueID & 0x00000000FFFFFFFFUL))
                         uniqueID += 16;