Messages in this thread Patch in this message | | | From | Hrutvik Kanabar <> | Subject | [PATCH RFC 6/7] fs/ntfs: support `DISABLE_FS_CSUM_VERIFICATION` config option | Date | Fri, 14 Oct 2022 08:48:36 +0000 |
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From: Hrutvik Kanabar <hrutvik@google.com>
When `DISABLE_FS_CSUM_VERIFICATION` is enabled, bypass checksum verification in `is_boot_sector_ntfs`.
Signed-off-by: Hrutvik Kanabar <hrutvik@google.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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