linux-kernel - [PATCH 5.4 35/56] debugfs: debugfs_create_file_size(): use IS

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Message-Id: <20211004125031.105052536@linuxfoundation.org>
Date:   Mon,  4 Oct 2021 14:52:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christian König <christian.koenig@....com>,
        Nirmoy Das <nirmoy.das@....com>
Subject: [PATCH 5.4 35/56] debugfs: debugfs_create_file_size(): use IS_ERR to check for error

From: Nirmoy Das <nirmoy.das@....com>

commit af505cad9567f7a500d34bf183696d570d7f6810 upstream.

debugfs_create_file() returns encoded error so use IS_ERR for checking
return value.

Reviewed-by: Christian König <christian.koenig@....com>
Signed-off-by: Nirmoy Das <nirmoy.das@....com>
Fixes: ff9fb72bc077 ("debugfs: return error values, not NULL")
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20210902102917.2233-1-nirmoy.das@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/debugfs/inode.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -522,7 +522,7 @@ struct dentry *debugfs_create_file_size(
 {
 	struct dentry *de = debugfs_create_file(name, mode, parent, data, fops);
 
-	if (de)
+	if (!IS_ERR(de))
 		d_inode(de)->i_size = file_size;
 	return de;
 }