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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull assorted fixes from Al Viro:
 "There'll be more - I'm trying to dig out from under the pile of mail
  (a couple of weeks of something flu-like ;-/) and there's several more
  things waiting for review; this is just the obvious stuff."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  zoran: racy refcount handling in vm_ops ->open()/->close()
  befs_readdir(): do not increment ->f_pos if filldir tells us to stop
  hpfs: deadlock and race in directory lseek()
  qnx6: qnx6_readdir() has a braino in pos calculation
  fix buffer leak after "scsi: saner replacements for ->proc_info()"
  vfs: Fix invalid ida_remove() call
This commit is contained in:
Linus Torvalds 2013-06-01 19:51:52 +09:00
commit 6cf3c73620
7 changed files with 21 additions and 16 deletions
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4
fs/befs/linuxvfs.c
View file

@ -265,8 +265,8 @@ befs_readdir(struct file *filp, void *dirent, filldir_t filldir)
result = filldir(dirent, keybuf, keysize, filp->f_pos,
(ino_t) value, d_type);
}
filp->f_pos++;
if (!result)
filp->f_pos++;
befs_debug(sb, "<--- befs_readdir() filp->f_pos %Ld", filp->f_pos);

10
fs/hpfs/dir.c
View file

@ -33,25 +33,27 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
if (whence == SEEK_DATA || whence == SEEK_HOLE)
return -EINVAL;
mutex_lock(&i->i_mutex);
hpfs_lock(s);
/*printk("dir lseek\n");*/
if (new_off == 0 || new_off == 1 || new_off == 11 || new_off == 12 || new_off == 13) goto ok;
mutex_lock(&i->i_mutex);
pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1;
while (pos != new_off) {
if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh);
else goto fail;
if (pos == 12) goto fail;
}
mutex_unlock(&i->i_mutex);
hpfs_add_pos(i, &filp->f_pos);
ok:
filp->f_pos = new_off;
hpfs_unlock(s);
return filp->f_pos = new_off;
fail:
mutex_unlock(&i->i_mutex);
return new_off;
fail:
/*printk("illegal lseek: %016llx\n", new_off);*/
hpfs_unlock(s);
mutex_unlock(&i->i_mutex);
return -ESPIPE;
}

3
fs/pnode.c
View file

@ -83,7 +83,8 @@ static int do_make_slave(struct mount *mnt)
if (peer_mnt == mnt)
peer_mnt = NULL;
}
if (IS_MNT_SHARED(mnt) && list_empty(&mnt->mnt_share))
if (mnt->mnt_group_id && IS_MNT_SHARED(mnt) &&
list_empty(&mnt->mnt_share))
mnt_release_group_id(mnt);
list_del_init(&mnt->mnt_share);

2
fs/qnx6/dir.c
View file

@ -120,7 +120,7 @@ static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
struct inode *inode = file_inode(filp);
struct super_block *s = inode->i_sb;
struct qnx6_sb_info *sbi = QNX6_SB(s);
loff_t pos = filp->f_pos & (QNX6_DIR_ENTRY_SIZE - 1);
loff_t pos = filp->f_pos & ~(QNX6_DIR_ENTRY_SIZE - 1);
unsigned long npages = dir_pages(inode);
unsigned long n = pos >> PAGE_CACHE_SHIFT;
unsigned start = (pos & ~PAGE_CACHE_MASK) / QNX6_DIR_ENTRY_SIZE;