ab1aa9cfc1
Changes in 4.9.292 staging: ion: Prevent incorrect reference counting behavour USB: serial: option: add Telit LE910S1 0x9200 composition USB: serial: option: add Fibocom FM101-GL variants usb: hub: Fix usb enumeration issue due to address0 race usb: hub: Fix locking issues with address0_mutex binder: fix test regression due to sender_euid change ALSA: ctxfi: Fix out-of-range access staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() fuse: fix page stealing xen: don't continue xenstore initialization in case of errors xen: detect uninitialized xenbus in xenbus_init tracing: Fix pid filtering when triggers are attached ARM: dts: BCM5301X: Add interrupt properties to GPIO node ASoC: topology: Add missing rwsem around snd_ctl_remove() calls net: ieee802154: handle iftypes as u32 NFSv42: Don't fail clone() unless the OP_CLONE operation failed ARM: socfpga: Fix crash with CONFIG_FORTIRY_SOURCE scsi: mpt3sas: Fix kernel panic during drive powercycle test drm/vc4: fix error code in vc4_create_object() PM: hibernate: use correct mode for swsusp_close() tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows tracing: Check pid filtering when creating events hugetlbfs: flush TLBs correctly after huge_pmd_unshare vhost/vsock: fix incorrect used length reported to the guest proc/vmcore: fix clearing user buffer by properly using clear_user() NFC: add NCI_UNREG flag to eliminate the race fuse: release pipe buf after last use xen: sync include/xen/interface/io/ring.h with Xen's newest version xen/blkfront: read response from backend only once xen/blkfront: don't take local copy of a request from the ring page xen/blkfront: don't trust the backend response data blindly xen/netfront: read response from backend only once xen/netfront: don't read data from request on the ring page xen/netfront: disentangle tx_skb_freelist xen/netfront: don't trust the backend response data blindly tty: hvc: replace BUG_ON() with negative return value shm: extend forced shm destroy to support objects from several IPC nses NFSv42: Fix pagecache invalidation after COPY/CLONE hugetlb: take PMD sharing into account when flushing tlb/caches net: return correct error code platform/x86: thinkpad_acpi: Fix WWAN device disabled issue after S3 deep s390/setup: avoid using memblock_enforce_memory_limit thermal: core: Reset previous low and high trip during thermal zone init scsi: iscsi: Unblock session then wake up error handler ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock() vrf: Reset IPCB/IP6CB when processing outbound pkts in vrf dev xmit kprobes: Limit max data_size of the kretprobe instances sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl sata_fsl: fix warning in remove_proc_entry when rmmod sata_fsl fs: add fget_many() and fput_many() fget: check that the fd still exists after getting a ref to it natsemi: xtensa: fix section mismatch warnings net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings() siphash: use _unaligned version by default net/rds: correct socket tunable error in rds_tcp_tune() parisc: Fix "make install" on newer debian releases vgacon: Propagate console boot parameters before calling `vc_resize' tty: serial: msm_serial: Deactivate RX DMA for polling support serial: pl011: Add ACPI SBSA UART match id serial: core: fix transmit-buffer reset and memleak Linux 4.9.292 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I98a677406cfca6a63fffa4a94e45edbd45fd671a
92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/*
|
|
* Wrapper functions for accessing the file_struct fd array.
|
|
*/
|
|
|
|
#ifndef __LINUX_FILE_H
|
|
#define __LINUX_FILE_H
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/types.h>
|
|
#include <linux/posix_types.h>
|
|
|
|
struct file;
|
|
|
|
extern void fput(struct file *);
|
|
extern void fput_many(struct file *, unsigned int);
|
|
|
|
struct file_operations;
|
|
struct vfsmount;
|
|
struct dentry;
|
|
struct path;
|
|
extern struct file *alloc_file(struct path *, fmode_t mode,
|
|
const struct file_operations *fop);
|
|
|
|
static inline void fput_light(struct file *file, int fput_needed)
|
|
{
|
|
if (fput_needed)
|
|
fput(file);
|
|
}
|
|
|
|
struct fd {
|
|
struct file *file;
|
|
unsigned int flags;
|
|
};
|
|
#define FDPUT_FPUT 1
|
|
#define FDPUT_POS_UNLOCK 2
|
|
|
|
static inline void fdput(struct fd fd)
|
|
{
|
|
if (fd.flags & FDPUT_FPUT)
|
|
fput(fd.file);
|
|
}
|
|
|
|
extern struct file *fget(unsigned int fd);
|
|
extern struct file *fget_many(unsigned int fd, unsigned int refs);
|
|
extern struct file *fget_raw(unsigned int fd);
|
|
extern unsigned long __fdget(unsigned int fd);
|
|
extern unsigned long __fdget_raw(unsigned int fd);
|
|
extern unsigned long __fdget_pos(unsigned int fd);
|
|
extern void __f_unlock_pos(struct file *);
|
|
|
|
static inline struct fd __to_fd(unsigned long v)
|
|
{
|
|
return (struct fd){(struct file *)(v & ~3),v & 3};
|
|
}
|
|
|
|
static inline struct fd fdget(unsigned int fd)
|
|
{
|
|
return __to_fd(__fdget(fd));
|
|
}
|
|
|
|
static inline struct fd fdget_raw(unsigned int fd)
|
|
{
|
|
return __to_fd(__fdget_raw(fd));
|
|
}
|
|
|
|
static inline struct fd fdget_pos(int fd)
|
|
{
|
|
return __to_fd(__fdget_pos(fd));
|
|
}
|
|
|
|
static inline void fdput_pos(struct fd f)
|
|
{
|
|
if (f.flags & FDPUT_POS_UNLOCK)
|
|
__f_unlock_pos(f.file);
|
|
fdput(f);
|
|
}
|
|
|
|
extern int f_dupfd(unsigned int from, struct file *file, unsigned flags);
|
|
extern int replace_fd(unsigned fd, struct file *file, unsigned flags);
|
|
extern void set_close_on_exec(unsigned int fd, int flag);
|
|
extern bool get_close_on_exec(unsigned int fd);
|
|
extern void put_filp(struct file *);
|
|
extern int get_unused_fd_flags(unsigned flags);
|
|
extern void put_unused_fd(unsigned int fd);
|
|
|
|
extern void fd_install(unsigned int fd, struct file *file);
|
|
|
|
extern void flush_delayed_fput(void);
|
|
extern void __fput_sync(struct file *);
|
|
|
|
#endif /* __LINUX_FILE_H */
|