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[patch] xfs: remove an unneeded NULL check

To: Ben Myers <bpm@xxxxxxx>
Subject: [patch] xfs: remove an unneeded NULL check
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Sat, 28 Jan 2012 13:55:01 +0300
Cc: Alex Elder <elder@xxxxxxxxxx>, xfs-masters@xxxxxxxxxxx, xfs@xxxxxxxxxxx, kernel-janitors@xxxxxxxxxxxxxxx
User-agent: Mutt/1.5.21 (2010-09-15)
Smatch complains because we check "commit_lsn" for NULL inconsistently.
fs/xfs/xfs_log_cil.c +705 xfs_log_commit_cil(43) error: we previously
        assumed 'commit_lsn' could be null (see line 688)
xfs_log_commit_cil() is only called from one place, and "commit_lsn" is
a valid pointer, so I've removed the NULL check.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index d4fadbe..d9c4652 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -685,8 +685,7 @@ xfs_log_commit_cil(
        /* lock out background commit */
-       if (commit_lsn)
-               *commit_lsn = log->l_cilp->xc_ctx->sequence;
+       *commit_lsn = log->l_cilp->xc_ctx->sequence;
        xlog_cil_insert_items(log, log_vector, tp->t_ticket);

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