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-rw-r--r--fs/affs/affs.h2
-rw-r--r--fs/affs/amigaffs.c13
-rw-r--r--fs/affs/bitmap.c1
-rw-r--r--fs/affs/dir.c11
-rw-r--r--fs/affs/file.c49
-rw-r--r--fs/affs/inode.c7
-rw-r--r--fs/affs/namei.c47
-rw-r--r--fs/affs/super.c69
8 files changed, 99 insertions, 100 deletions
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index ff44ff3ff015..c8764bd7497d 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -30,6 +30,8 @@
#define AFFS_AC_SIZE (AFFS_CACHE_SIZE/sizeof(struct affs_ext_key)/2)
#define AFFS_AC_MASK (AFFS_AC_SIZE-1)
+#define AFFSNAMEMAX 30U
+
struct affs_ext_key {
u32 ext; /* idx of the extended block */
u32 key; /* block number */
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index c852f2fa1710..388da1ea815d 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -30,7 +30,7 @@ affs_insert_hash(struct inode *dir, struct buffer_head *bh)
ino = bh->b_blocknr;
offset = affs_hash_name(sb, AFFS_TAIL(sb, bh)->name + 1, AFFS_TAIL(sb, bh)->name[0]);
- pr_debug("%s(dir=%u, ino=%d)\n", __func__, (u32)dir->i_ino, ino);
+ pr_debug("%s(dir=%lu, ino=%d)\n", __func__, dir->i_ino, ino);
dir_bh = affs_bread(sb, dir->i_ino);
if (!dir_bh)
@@ -80,8 +80,8 @@ affs_remove_hash(struct inode *dir, struct buffer_head *rem_bh)
sb = dir->i_sb;
rem_ino = rem_bh->b_blocknr;
offset = affs_hash_name(sb, AFFS_TAIL(sb, rem_bh)->name+1, AFFS_TAIL(sb, rem_bh)->name[0]);
- pr_debug("%s(dir=%d, ino=%d, hashval=%d)\n",
- __func__, (u32)dir->i_ino, rem_ino, offset);
+ pr_debug("%s(dir=%lu, ino=%d, hashval=%d)\n", __func__, dir->i_ino,
+ rem_ino, offset);
bh = affs_bread(sb, dir->i_ino);
if (!bh)
@@ -483,11 +483,10 @@ affs_check_name(const unsigned char *name, int len, bool notruncate)
{
int i;
- if (len > 30) {
+ if (len > AFFSNAMEMAX) {
if (notruncate)
return -ENAMETOOLONG;
- else
- len = 30;
+ len = AFFSNAMEMAX;
}
for (i = 0; i < len; i++) {
if (name[i] < ' ' || name[i] == ':'
@@ -508,7 +507,7 @@ affs_check_name(const unsigned char *name, int len, bool notruncate)
int
affs_copy_name(unsigned char *bstr, struct dentry *dentry)
{
- int len = min(dentry->d_name.len, 30u);
+ u32 len = min(dentry->d_name.len, AFFSNAMEMAX);
*bstr++ = len;
memcpy(bstr, dentry->d_name.name, len);
diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c
index c8de51185c23..675148950fed 100644
--- a/fs/affs/bitmap.c
+++ b/fs/affs/bitmap.c
@@ -99,7 +99,6 @@ err_bh_read:
err_range:
affs_error(sb, "affs_free_block","Block %u outside partition", block);
- return;
}
/*
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index 59f07bec92a6..ac4f318aafba 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -54,8 +54,7 @@ affs_readdir(struct file *file, struct dir_context *ctx)
u32 ino;
int error = 0;
- pr_debug("%s(ino=%lu,f_pos=%lx)\n",
- __func__, inode->i_ino, (unsigned long)ctx->pos);
+ pr_debug("%s(ino=%lu,f_pos=%llx)\n", __func__, inode->i_ino, ctx->pos);
if (ctx->pos < 2) {
file->private_data = (void *)0;
@@ -115,11 +114,11 @@ inside:
break;
}
- namelen = min(AFFS_TAIL(sb, fh_bh)->name[0], (u8)30);
+ namelen = min(AFFS_TAIL(sb, fh_bh)->name[0],
+ (u8)AFFSNAMEMAX);
name = AFFS_TAIL(sb, fh_bh)->name + 1;
- pr_debug("readdir(): dir_emit(\"%.*s\", "
- "ino=%u), hash=%d, f_pos=%x\n",
- namelen, name, ino, hash_pos, (u32)ctx->pos);
+ pr_debug("readdir(): dir_emit(\"%.*s\", ino=%u), hash=%d, f_pos=%llx\n",
+ namelen, name, ino, hash_pos, ctx->pos);
if (!dir_emit(ctx, name, namelen, ino, DT_UNKNOWN))
goto done;
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 8faa6593ca6d..d2468bf95669 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -180,8 +180,7 @@ affs_get_extblock_slow(struct inode *inode, u32 ext)
ext_key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension);
if (ext < AFFS_I(inode)->i_extcnt)
goto read_ext;
- if (ext > AFFS_I(inode)->i_extcnt)
- BUG();
+ BUG_ON(ext > AFFS_I(inode)->i_extcnt);
bh = affs_alloc_extblock(inode, bh, ext);
if (IS_ERR(bh))
return bh;
@@ -198,8 +197,7 @@ affs_get_extblock_slow(struct inode *inode, u32 ext)
struct buffer_head *prev_bh;
/* allocate a new extended block */
- if (ext > AFFS_I(inode)->i_extcnt)
- BUG();
+ BUG_ON(ext > AFFS_I(inode)->i_extcnt);
/* get previous extended block */
prev_bh = affs_get_extblock(inode, ext - 1);
@@ -299,8 +297,8 @@ affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_resul
struct buffer_head *ext_bh;
u32 ext;
- pr_debug("%s(%u, %lu)\n",
- __func__, (u32)inode->i_ino, (unsigned long)block);
+ pr_debug("%s(%lu, %llu)\n", __func__, inode->i_ino,
+ (unsigned long long)block);
BUG_ON(block > (sector_t)0x7fffffffUL);
@@ -330,8 +328,9 @@ affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_resul
/* store new block */
if (bh_result->b_blocknr)
- affs_warning(sb, "get_block", "block already set (%lx)",
- (unsigned long)bh_result->b_blocknr);
+ affs_warning(sb, "get_block",
+ "block already set (%llx)",
+ (unsigned long long)bh_result->b_blocknr);
AFFS_BLOCK(sb, ext_bh, block) = cpu_to_be32(blocknr);
AFFS_HEAD(ext_bh)->block_count = cpu_to_be32(block + 1);
affs_adjust_checksum(ext_bh, blocknr - bh_result->b_blocknr + 1);
@@ -353,8 +352,8 @@ affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_resul
return 0;
err_big:
- affs_error(inode->i_sb, "get_block", "strange block request %d",
- (int)block);
+ affs_error(inode->i_sb, "get_block", "strange block request %llu",
+ (unsigned long long)block);
return -EIO;
err_ext:
// unlock cache
@@ -399,6 +398,13 @@ affs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
size_t count = iov_iter_count(iter);
ssize_t ret;
+ if (rw == WRITE) {
+ loff_t size = offset + count;
+
+ if (AFFS_I(inode)->mmu_private < size)
+ return 0;
+ }
+
ret = blockdev_direct_IO(rw, iocb, inode, iter, offset, affs_get_block);
if (ret < 0 && (rw & WRITE))
affs_write_failed(mapping, offset + count);
@@ -503,7 +509,7 @@ affs_do_readpage_ofs(struct page *page, unsigned to)
u32 bidx, boff, bsize;
u32 tmp;
- pr_debug("%s(%u, %ld, 0, %d)\n", __func__, (u32)inode->i_ino,
+ pr_debug("%s(%lu, %ld, 0, %d)\n", __func__, inode->i_ino,
page->index, to);
BUG_ON(to > PAGE_CACHE_SIZE);
kmap(page);
@@ -539,7 +545,7 @@ affs_extent_file_ofs(struct inode *inode, u32 newsize)
u32 size, bsize;
u32 tmp;
- pr_debug("%s(%u, %d)\n", __func__, (u32)inode->i_ino, newsize);
+ pr_debug("%s(%lu, %d)\n", __func__, inode->i_ino, newsize);
bsize = AFFS_SB(sb)->s_data_blksize;
bh = NULL;
size = AFFS_I(inode)->mmu_private;
@@ -608,7 +614,7 @@ affs_readpage_ofs(struct file *file, struct page *page)
u32 to;
int err;
- pr_debug("%s(%u, %ld)\n", __func__, (u32)inode->i_ino, page->index);
+ pr_debug("%s(%lu, %ld)\n", __func__, inode->i_ino, page->index);
to = PAGE_CACHE_SIZE;
if (((page->index + 1) << PAGE_CACHE_SHIFT) > inode->i_size) {
to = inode->i_size & ~PAGE_CACHE_MASK;
@@ -631,8 +637,8 @@ static int affs_write_begin_ofs(struct file *file, struct address_space *mapping
pgoff_t index;
int err = 0;
- pr_debug("%s(%u, %llu, %llu)\n", __func__, (u32)inode->i_ino,
- (unsigned long long)pos, (unsigned long long)pos + len);
+ pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos,
+ pos + len);
if (pos > AFFS_I(inode)->mmu_private) {
/* XXX: this probably leaves a too-big i_size in case of
* failure. Should really be updating i_size at write_end time
@@ -681,9 +687,8 @@ static int affs_write_end_ofs(struct file *file, struct address_space *mapping,
* due to write_begin.
*/
- pr_debug("%s(%u, %llu, %llu)\n",
- __func__, (u32)inode->i_ino, (unsigned long long)pos,
- (unsigned long long)pos + len);
+ pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos,
+ pos + len);
bsize = AFFS_SB(sb)->s_data_blksize;
data = page_address(page);
@@ -831,8 +836,8 @@ affs_truncate(struct inode *inode)
struct buffer_head *ext_bh;
int i;
- pr_debug("truncate(inode=%d, oldsize=%u, newsize=%u)\n",
- (u32)inode->i_ino, (u32)AFFS_I(inode)->mmu_private, (u32)inode->i_size);
+ pr_debug("truncate(inode=%lu, oldsize=%llu, newsize=%llu)\n",
+ inode->i_ino, AFFS_I(inode)->mmu_private, inode->i_size);
last_blk = 0;
ext = 0;
@@ -863,7 +868,7 @@ affs_truncate(struct inode *inode)
if (IS_ERR(ext_bh)) {
affs_warning(sb, "truncate",
"unexpected read error for ext block %u (%ld)",
- (unsigned int)ext, PTR_ERR(ext_bh));
+ ext, PTR_ERR(ext_bh));
return;
}
if (AFFS_I(inode)->i_lc) {
@@ -911,7 +916,7 @@ affs_truncate(struct inode *inode)
if (IS_ERR(bh)) {
affs_warning(sb, "truncate",
"unexpected read error for last block %u (%ld)",
- (unsigned int)ext, PTR_ERR(bh));
+ ext, PTR_ERR(bh));
return;
}
tmp = be32_to_cpu(AFFS_DATA_HEAD(bh)->next);
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index d0609a282e1d..6f34510449e8 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -13,8 +13,6 @@
#include <linux/gfp.h>
#include "affs.h"
-extern const struct inode_operations affs_symlink_inode_operations;
-
struct inode *affs_iget(struct super_block *sb, unsigned long ino)
{
struct affs_sb_info *sbi = AFFS_SB(sb);
@@ -348,9 +346,8 @@ affs_add_entry(struct inode *dir, struct inode *inode, struct dentry *dentry, s3
u32 block = 0;
int retval;
- pr_debug("%s(dir=%u, inode=%u, \"%pd\", type=%d)\n",
- __func__, (u32)dir->i_ino,
- (u32)inode->i_ino, dentry, type);
+ pr_debug("%s(dir=%lu, inode=%lu, \"%pd\", type=%d)\n", __func__,
+ dir->i_ino, inode->i_ino, dentry, type);
retval = -EIO;
bh = affs_bread(sb, inode->i_ino);
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index bbc38530e924..ffb7bd82c2a5 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -64,15 +64,16 @@ __affs_hash_dentry(struct qstr *qstr, toupper_t toupper, bool notruncate)
{
const u8 *name = qstr->name;
unsigned long hash;
- int i;
+ int retval;
+ u32 len;
- i = affs_check_name(qstr->name, qstr->len, notruncate);
- if (i)
- return i;
+ retval = affs_check_name(qstr->name, qstr->len, notruncate);
+ if (retval)
+ return retval;
hash = init_name_hash();
- i = min(qstr->len, 30u);
- for (; i > 0; name++, i--)
+ len = min(qstr->len, AFFSNAMEMAX);
+ for (; len > 0; name++, len--)
hash = partial_name_hash(toupper(*name), hash);
qstr->hash = end_name_hash(hash);
@@ -114,10 +115,10 @@ static inline int __affs_compare_dentry(unsigned int len,
* If the names are longer than the allowed 30 chars,
* the excess is ignored, so their length may differ.
*/
- if (len >= 30) {
- if (name->len < 30)
+ if (len >= AFFSNAMEMAX) {
+ if (name->len < AFFSNAMEMAX)
return 1;
- len = 30;
+ len = AFFSNAMEMAX;
} else if (len != name->len)
return 1;
@@ -156,10 +157,10 @@ affs_match(struct dentry *dentry, const u8 *name2, toupper_t toupper)
const u8 *name = dentry->d_name.name;
int len = dentry->d_name.len;
- if (len >= 30) {
- if (*name2 < 30)
+ if (len >= AFFSNAMEMAX) {
+ if (*name2 < AFFSNAMEMAX)
return 0;
- len = 30;
+ len = AFFSNAMEMAX;
} else if (len != *name2)
return 0;
@@ -173,9 +174,9 @@ int
affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len)
{
toupper_t toupper = affs_get_toupper(sb);
- int hash;
+ u32 hash;
- hash = len = min(len, 30u);
+ hash = len = min(len, AFFSNAMEMAX);
for (; len > 0; len--)
hash = (hash * 13 + toupper(*name++)) & 0x7ff;
@@ -248,9 +249,8 @@ affs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
int
affs_unlink(struct inode *dir, struct dentry *dentry)
{
- pr_debug("%s(dir=%d, %lu \"%pd\")\n",
- __func__, (u32)dir->i_ino, dentry->d_inode->i_ino,
- dentry);
+ pr_debug("%s(dir=%lu, %lu \"%pd\")\n", __func__, dir->i_ino,
+ dentry->d_inode->i_ino, dentry);
return affs_remove_header(dentry);
}
@@ -317,9 +317,8 @@ affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
int
affs_rmdir(struct inode *dir, struct dentry *dentry)
{
- pr_debug("%s(dir=%u, %lu \"%pd\")\n",
- __func__, (u32)dir->i_ino, dentry->d_inode->i_ino,
- dentry);
+ pr_debug("%s(dir=%lu, %lu \"%pd\")\n", __func__, dir->i_ino,
+ dentry->d_inode->i_ino, dentry);
return affs_remove_header(dentry);
}
@@ -404,8 +403,7 @@ affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
{
struct inode *inode = old_dentry->d_inode;
- pr_debug("%s(%u, %u, \"%pd\")\n",
- __func__, (u32)inode->i_ino, (u32)dir->i_ino,
+ pr_debug("%s(%lu, %lu, \"%pd\")\n", __func__, inode->i_ino, dir->i_ino,
dentry);
return affs_add_entry(dir, inode, dentry, ST_LINKFILE);
@@ -419,9 +417,8 @@ affs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct buffer_head *bh = NULL;
int retval;
- pr_debug("%s(old=%u,\"%pd\" to new=%u,\"%pd\")\n",
- __func__, (u32)old_dir->i_ino, old_dentry,
- (u32)new_dir->i_ino, new_dentry);
+ pr_debug("%s(old=%lu,\"%pd\" to new=%lu,\"%pd\")\n", __func__,
+ old_dir->i_ino, old_dentry, new_dir->i_ino, new_dentry);
retval = affs_check_name(new_dentry->d_name.name,
new_dentry->d_name.len,
diff --git a/fs/affs/super.c b/fs/affs/super.c
index f754ab68a840..4cf0e9113fb6 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -432,39 +432,39 @@ got_root:
sb->s_flags |= MS_RDONLY;
}
switch (chksum) {
- case MUFS_FS:
- case MUFS_INTLFFS:
- case MUFS_DCFFS:
- sbi->s_flags |= SF_MUFS;
- /* fall thru */
- case FS_INTLFFS:
- case FS_DCFFS:
- sbi->s_flags |= SF_INTL;
- break;
- case MUFS_FFS:
- sbi->s_flags |= SF_MUFS;
- break;
- case FS_FFS:
- break;
- case MUFS_OFS:
- sbi->s_flags |= SF_MUFS;
- /* fall thru */
- case FS_OFS:
- sbi->s_flags |= SF_OFS;
- sb->s_flags |= MS_NOEXEC;
- break;
- case MUFS_DCOFS:
- case MUFS_INTLOFS:
- sbi->s_flags |= SF_MUFS;
- case FS_DCOFS:
- case FS_INTLOFS:
- sbi->s_flags |= SF_INTL | SF_OFS;
- sb->s_flags |= MS_NOEXEC;
- break;
- default:
- pr_err("Unknown filesystem on device %s: %08X\n",
- sb->s_id, chksum);
- return -EINVAL;
+ case MUFS_FS:
+ case MUFS_INTLFFS:
+ case MUFS_DCFFS:
+ sbi->s_flags |= SF_MUFS;
+ /* fall thru */
+ case FS_INTLFFS:
+ case FS_DCFFS:
+ sbi->s_flags |= SF_INTL;
+ break;
+ case MUFS_FFS:
+ sbi->s_flags |= SF_MUFS;
+ break;
+ case FS_FFS:
+ break;
+ case MUFS_OFS:
+ sbi->s_flags |= SF_MUFS;
+ /* fall thru */
+ case FS_OFS:
+ sbi->s_flags |= SF_OFS;
+ sb->s_flags |= MS_NOEXEC;
+ break;
+ case MUFS_DCOFS:
+ case MUFS_INTLOFS:
+ sbi->s_flags |= SF_MUFS;
+ case FS_DCOFS:
+ case FS_INTLOFS:
+ sbi->s_flags |= SF_INTL | SF_OFS;
+ sb->s_flags |= MS_NOEXEC;
+ break;
+ default:
+ pr_err("Unknown filesystem on device %s: %08X\n",
+ sb->s_id, chksum);
+ return -EINVAL;
}
if (mount_flags & SF_VERBOSE) {
@@ -584,7 +584,7 @@ affs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_bavail = free;
buf->f_fsid.val[0] = (u32)id;
buf->f_fsid.val[1] = (u32)(id >> 32);
- buf->f_namelen = 30;
+ buf->f_namelen = AFFSNAMEMAX;
return 0;
}
@@ -602,6 +602,7 @@ static void affs_kill_sb(struct super_block *sb)
affs_free_bitmap(sb);
affs_brelse(sbi->s_root_bh);
kfree(sbi->s_prefix);
+ mutex_destroy(&sbi->s_bmlock);
kfree(sbi);
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.