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authorPavel Skripkin <paskripkin@gmail.com>2022-04-21 22:53:45 +0200
committerKonstantin Komarov <almaz.alexandrovich@paragon-software.com>2022-07-05 15:07:53 +0200
commite66af07ca2b57e01dbf6001ae565ab40037b2df3 (patch)
tree3949ef190adf01a6f9ffd99b3765d95a6627f36d /fs/ntfs3
parentfs/ntfs3: Fix NULL deref in ntfs_update_mftmirr (diff)
downloadlinux-e66af07ca2b57e01dbf6001ae565ab40037b2df3.tar.xz
linux-e66af07ca2b57e01dbf6001ae565ab40037b2df3.zip
fs/ntfs3: Make ntfs_update_mftmirr return void
None of callers check the return value of ntfs_update_mftmirr(), so make it return void to make code simpler. Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Diffstat (limited to 'fs/ntfs3')
-rw-r--r--fs/ntfs3/fsntfs.c20
-rw-r--r--fs/ntfs3/ntfs_fs.h2
2 files changed, 8 insertions, 14 deletions
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 891125ca6848..938acb246b58 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -827,7 +827,7 @@ int ntfs_refresh_zone(struct ntfs_sb_info *sbi)
/*
* ntfs_update_mftmirr - Update $MFTMirr data.
*/
-int ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait)
+void ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait)
{
int err;
struct super_block *sb = sbi->sb;
@@ -836,12 +836,12 @@ int ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait)
u32 bytes;
if (!sb)
- return -EINVAL;
+ return;
blocksize = sb->s_blocksize;
if (!(sbi->flags & NTFS_FLAGS_MFTMIRR))
- return 0;
+ return;
err = 0;
bytes = sbi->mft.recs_mirr << sbi->record_bits;
@@ -852,16 +852,13 @@ int ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait)
struct buffer_head *bh1, *bh2;
bh1 = sb_bread(sb, block1++);
- if (!bh1) {
- err = -EIO;
- goto out;
- }
+ if (!bh1)
+ return;
bh2 = sb_getblk(sb, block2++);
if (!bh2) {
put_bh(bh1);
- err = -EIO;
- goto out;
+ return;
}
if (buffer_locked(bh2))
@@ -881,13 +878,10 @@ int ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait)
put_bh(bh2);
if (err)
- goto out;
+ return;
}
sbi->flags &= ~NTFS_FLAGS_MFTMIRR;
-
-out:
- return err;
}
/*
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index 1f92e3a05f61..8f05b91f3c5e 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -593,7 +593,7 @@ int ntfs_look_free_mft(struct ntfs_sb_info *sbi, CLST *rno, bool mft,
void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno);
int ntfs_clear_mft_tail(struct ntfs_sb_info *sbi, size_t from, size_t to);
int ntfs_refresh_zone(struct ntfs_sb_info *sbi);
-int ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait);
+void ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait);
enum NTFS_DIRTY_FLAGS {
NTFS_DIRTY_CLEAR = 0,
NTFS_DIRTY_DIRTY = 1,