linux-kernel - [RFC PATCH v2 07/18] befs: Fix error processing when load

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Date:   Mon, 26 Dec 2022 15:21:39 +0100
From:   Pali Rohár <pali@...nel.org>
To:     linux-fsdevel@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net, linux-cifs@...r.kernel.org,
        jfs-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Jan Kara <jack@...e.cz>, "Theodore Y . Ts'o" <tytso@....edu>,
        Anton Altaparmakov <anton@...era.com>,
        OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
        Luis de Bethencourt <luisbg@...nel.org>,
        Salah Triki <salah.triki@...il.com>,
        Steve French <sfrench@...ba.org>, Paulo Alcantara <pc@....nz>,
        Ronnie Sahlberg <lsahlber@...hat.com>,
        Shyam Prasad N <sprasad@...rosoft.com>,
        Tom Talpey <tom@...pey.com>, Dave Kleikamp <shaggy@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Pavel Machek <pavel@....cz>,
        Christoph Hellwig <hch@...radead.org>,
        Kari Argillander <kari.argillander@...il.com>,
        Viacheslav Dubeyko <slava@...eyko.com>
Subject: [RFC PATCH v2 07/18] befs: Fix error processing when load_nls() fails

Ensure that specified charset in iocharset= mount option is used. On error
correctly propagate error code back to the caller.

Signed-off-by: Pali Rohár <pali@...nel.org>
---
 fs/befs/linuxvfs.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 5c66550f7933..8d2954e3afd6 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -913,10 +913,9 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
 			   befs_sb->mount_opts.iocharset);
 		befs_sb->nls = load_nls(befs_sb->mount_opts.iocharset);
 		if (!befs_sb->nls) {
-			befs_warning(sb, "Cannot load nls %s"
-					" loading default nls",
+			befs_error(sb, "Cannot load nls %s",
 					befs_sb->mount_opts.iocharset);
-			befs_sb->nls = load_nls_default();
+			goto unacquire_priv_sbp;
 		}
 	/* load default nls if none is specified  in mount options */
 	} else {
-- 
2.20.1