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https://github.com/torvalds/linux.git
synced 2026-09-25 21:21:09 -04:00
Luca Vizzarro
f4ae4081e5
The interface for fcntl expects the argument passed for the command F_DIRNOTIFY to be of type int. The current code wrongly treats it as a long. In order to avoid access to undefined bits, we should explicitly cast the argument to int. Cc: Jan Kara <[email protected]> Cc: Amir Goldstein <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Jeff Layton <[email protected]> Cc: Chuck Lever <[email protected]> Cc: Kevin Brodsky <[email protected]> Cc: Vincenzo Frascino <[email protected]> Cc: Szabolcs Nagy <[email protected]> Cc: "Theodore Ts'o" <[email protected]> Cc: David Laight <[email protected]> Cc: Mark Rutland <[email protected]> Cc: [email protected] Cc: [email protected] Acked-by: Jan Kara <[email protected]> Signed-off-by: Luca Vizzarro <[email protected]> Message-Id: <[email protected]> Signed-off-by: Christian Brauner <[email protected]>
51 lines
1012 B
C
51 lines
1012 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_DNOTIFY_H
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#define _LINUX_DNOTIFY_H
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/*
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* Directory notification for Linux
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*
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* Copyright (C) 2000,2002 Stephen Rothwell
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*/
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#include <linux/fs.h>
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struct dnotify_struct {
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struct dnotify_struct * dn_next;
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__u32 dn_mask;
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int dn_fd;
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struct file * dn_filp;
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fl_owner_t dn_owner;
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};
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#ifdef __KERNEL__
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#ifdef CONFIG_DNOTIFY
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#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
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FS_MODIFY | FS_MODIFY_CHILD |\
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FS_ACCESS | FS_ACCESS_CHILD |\
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FS_ATTRIB | FS_ATTRIB_CHILD |\
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FS_CREATE | FS_RENAME |\
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FS_MOVED_FROM | FS_MOVED_TO)
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extern void dnotify_flush(struct file *, fl_owner_t);
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extern int fcntl_dirnotify(int, struct file *, unsigned int);
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#else
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static inline void dnotify_flush(struct file *filp, fl_owner_t id)
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{
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}
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static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned int arg)
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{
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return -EINVAL;
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}
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#endif /* CONFIG_DNOTIFY */
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#endif /* __KERNEL __ */
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#endif /* _LINUX_DNOTIFY_H */
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