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Message-Id: <20221014084837.1787196-7-hrkanabar@gmail.com> Date: Fri, 14 Oct 2022 08:48:36 +0000 From: Hrutvik Kanabar <hrkanabar@...il.com> To: Hrutvik Kanabar <hrutvik@...gle.com> Cc: Marco Elver <elver@...gle.com>, Aleksandr Nogikh <nogikh@...gle.com>, kasan-dev@...glegroups.com, Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, Theodore Ts'o <tytso@....edu>, Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org, Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>, David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org, Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>, linux-f2fs-devel@...ts.sourceforge.net, "Darrick J . Wong" <djwong@...nel.org>, linux-xfs@...r.kernel.org, Namjae Jeon <linkinjeon@...nel.org>, Sungjong Seo <sj1557.seo@...sung.com>, Anton Altaparmakov <anton@...era.com>, linux-ntfs-dev@...ts.sourceforge.net Subject: [PATCH RFC 6/7] fs/ntfs: support `DISABLE_FS_CSUM_VERIFICATION` config option From: Hrutvik Kanabar <hrutvik@...gle.com> When `DISABLE_FS_CSUM_VERIFICATION` is enabled, bypass checksum verification in `is_boot_sector_ntfs`. Signed-off-by: Hrutvik Kanabar <hrutvik@...gle.com> --- fs/ntfs/super.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 001f4e053c85..428c65ce9a80 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -582,7 +582,8 @@ static bool is_boot_sector_ntfs(const struct super_block *sb, for (i = 0, u = (le32*)b; u < (le32*)(&b->checksum); ++u) i += le32_to_cpup(u); - if (le32_to_cpu(b->checksum) != i) + if (!IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION) && + le32_to_cpu(b->checksum) != i) ntfs_warning(sb, "Invalid boot sector checksum."); } /* Check OEMidentifier is "NTFS " */ -- 2.38.0.413.g74048e4d9e-goog
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