Re: [PATCH 1/1] GFS2: Deletion of unnecessary checks before two function calls

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Hi,

Now in the GFS2 -nmw git tree. Thanks,

Steve.

On 18/11/14 10:35, SF Markus Elfring wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 18 Nov 2014 11:31:23 +0100

The functions iput() and put_pid() test whether their argument is NULL
and then return immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
  fs/gfs2/glock.c      | 3 +--
  fs/gfs2/ops_fstype.c | 3 +--
  2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 7f513b1..f4aa085 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -836,8 +836,7 @@ void gfs2_holder_reinit(unsigned int state, unsigned flags, struct gfs2_holder *
  	gh->gh_flags = flags;
  	gh->gh_iflags = 0;
  	gh->gh_ip = (unsigned long)__builtin_return_address(0);
-	if (gh->gh_owner_pid)
-		put_pid(gh->gh_owner_pid);
+	put_pid(gh->gh_owner_pid);
  	gh->gh_owner_pid = get_pid(task_pid(current));
  }
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index d3eae24..272ff81 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -918,8 +918,7 @@ fail_qc_i:
  fail_ut_i:
  	iput(sdp->sd_sc_inode);
  fail:
-	if (pn)
-		iput(pn);
+	iput(pn);
  	return error;
  }

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