ntfs: delete unnecessary checks before calling iput()

iput() tests whether its argument is NULL and then returns immediately.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: NMarkus Elfring <elfring@users.sourceforge.net>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: NAnton Altaparmakov <anton@tuxera.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/ntfs/super.c

@@ -2204,16 +2204,11 @@ static bool load_system_files(ntfs_volume *vol)
 	return true;
 #ifdef NTFS_RW
 iput_usnjrnl_err_out:
-	if (vol->usnjrnl_j_ino)
 	iput(vol->usnjrnl_j_ino);
-	if (vol->usnjrnl_max_ino)
 	iput(vol->usnjrnl_max_ino);
-	if (vol->usnjrnl_ino)
 	iput(vol->usnjrnl_ino);
 iput_quota_err_out:
-	if (vol->quota_q_ino)
 	iput(vol->quota_q_ino);
-	if (vol->quota_ino)
 	iput(vol->quota_ino);
 	iput(vol->extend_ino);
 #endif /* NTFS_RW */
@@ -2223,7 +2218,6 @@ static bool load_system_files(ntfs_volume *vol)
 	iput(vol->root_ino);
 iput_logfile_err_out:
 #ifdef NTFS_RW
-	if (vol->logfile_ino)
 	iput(vol->logfile_ino);
 iput_vol_err_out:
 #endif /* NTFS_RW */
@@ -2254,7 +2248,6 @@ static bool load_system_files(ntfs_volume *vol)
 	iput(vol->mftbmp_ino);
 iput_mirr_err_out:
 #ifdef NTFS_RW
-	if (vol->mftmirr_ino)
 	iput(vol->mftmirr_ino);
 #endif /* NTFS_RW */
 	return false;