The patch below does not apply to the 5.5-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 46d36880d1c6f9b9a0cbaf90235355ea1f4cab96 Mon Sep 17 00:00:00 2001

From: Jan Kara jack@suse.cz Date: Thu, 30 Jan 2020 12:11:48 +0100 Subject: [PATCH] ext4: simplify checking quota limits in ext4_statfs()

Coverity reports that conditions checking quota limits in ext4_statfs() contain dead code. Indeed it is right and current conditions can be simplified.

Link: https://lore.kernel.org/r/20200130111148.10766-1-jack@suse.cz Reported-by: Coverity scan-admin@coverity.com Signed-off-by: Jan Kara jack@suse.cz Signed-off-by: Theodore Ts'o tytso@mit.edu Cc: stable@kernel.org

diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 88b213bd32bc..f23367a779e8 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5585,10 +5585,7 @@ static int ext4_statfs_project(struct super_block *sb, return PTR_ERR(dquot); spin_lock(&dquot->dq_dqb_lock);

- limit = 0; - if (dquot->dq_dqb.dqb_bsoftlimit && - (!limit || dquot->dq_dqb.dqb_bsoftlimit < limit)) - limit = dquot->dq_dqb.dqb_bsoftlimit; + limit = dquot->dq_dqb.dqb_bsoftlimit; if (dquot->dq_dqb.dqb_bhardlimit && (!limit || dquot->dq_dqb.dqb_bhardlimit < limit)) limit = dquot->dq_dqb.dqb_bhardlimit; @@ -5603,10 +5600,7 @@ static int ext4_statfs_project(struct super_block *sb, (buf->f_blocks - curblock) : 0; }

- limit = 0; - if (dquot->dq_dqb.dqb_isoftlimit && - (!limit || dquot->dq_dqb.dqb_isoftlimit < limit)) - limit = dquot->dq_dqb.dqb_isoftlimit; + limit = dquot->dq_dqb.dqb_isoftlimit; if (dquot->dq_dqb.dqb_ihardlimit && (!limit || dquot->dq_dqb.dqb_ihardlimit < limit)) limit = dquot->dq_dqb.dqb_ihardlimit;