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OpenCloudOS-Kernel
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: invalidate target of rename
  fuse: fix kunmap in fuse_ioctl_copy_user
  fuse: prevent fuse_put_request on invalid pointer
This commit is contained in:
Linus Torvalds 2009-11-05 13:23:29 -08:00
parent 4397989fc9 5219f346b0
commit e5a9236222
2 changed files with 6 additions and 3 deletions
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4
fs/fuse/dir.c
View File

@ -712,8 +712,10 @@ static int fuse_rename(struct inode *olddir, struct dentry *oldent,
fuse_invalidate_attr(newdir);
/* newent will end up negative */
if (newent->d_inode)
if (newent->d_inode) {
fuse_invalidate_attr(newent->d_inode);
fuse_invalidate_entry_cache(newent);
}
} else if (err == -EINTR) {
/* If request was interrupted, DEITY only knows if the
rename actually took place. If the invalidation

5
fs/fuse/file.c
View File

@ -1063,7 +1063,8 @@ ssize_t fuse_direct_io(struct file *file, const char __user *buf,
break;
}
}
fuse_put_request(fc, req);
if (!IS_ERR(req))
fuse_put_request(fc, req);
if (res > 0)
*ppos = pos;
@ -1599,7 +1600,7 @@ static int fuse_ioctl_copy_user(struct page **pages, struct iovec *iov,
kaddr += copy;
}
kunmap(map);
kunmap(page);
}
return 0;