ntfs: delete unnecessary checks before calling iput()

Author: SF Markus Elfring <elfring@users.sourceforge.net>

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: Markus Elfring 
Cc: Julia Lawall 
Reviewed-by: Anton Altaparmakov 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds 
---
 fs/ntfs/super.c | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)
 
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index c1128bc..d1a8535 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -2204,17 +2204,12 @@ get_ctx_vol_failed:
 	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(vol->usnjrnl_j_ino);
+	iput(vol->usnjrnl_max_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->quota_q_ino);
+	iput(vol->quota_ino);
 	iput(vol->extend_ino);
 #endif /* NTFS_RW */
 iput_sec_err_out:
@@ -2223,8 +2218,7 @@ iput_root_err_out:
 	iput(vol->root_ino);
 iput_logfile_err_out:
 #ifdef NTFS_RW
-	if (vol->logfile_ino)
-		iput(vol->logfile_ino);
+	iput(vol->logfile_ino);
 iput_vol_err_out:
 #endif /* NTFS_RW */
 	iput(vol->vol_ino);
@@ -2254,8 +2248,7 @@ iput_mftbmp_err_out:
 	iput(vol->mftbmp_ino);
 iput_mirr_err_out:
 #ifdef NTFS_RW
-	if (vol->mftmirr_ino)
-		iput(vol->mftmirr_ino);
+	iput(vol->mftmirr_ino);
 #endif /* NTFS_RW */
 	return false;
 }
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