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constify rw_verify_area()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-06-19 15:26:04 +04:00
parent ee32465249
commit 68d70d03f8
4 changed files with 4 additions and 2 deletions
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2
fs/aio.c
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@ -39,6 +39,8 @@
#include <asm/kmap_types.h>
#include <asm/uaccess.h>
#include "internal.h"
#define AIO_RING_MAGIC 0xa10a10a1
#define AIO_RING_COMPAT_FEATURES 1
#define AIO_RING_INCOMPAT_FEATURES 0

1
fs/internal.h
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@ -131,6 +131,7 @@ extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
* read_write.c
*/
extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *);
extern int rw_verify_area(int, struct file *, const loff_t *, size_t);
/*
* splice.c

2
fs/read_write.c
View file

@ -316,7 +316,7 @@ SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned long, offset_high,
* them to something that fits in "int" so that others
* won't have to do range checks all the time.
*/
int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count)
int rw_verify_area(int read_write, struct file *file, const loff_t *ppos, size_t count)
{
struct inode *inode;
loff_t pos;

1
include/linux/fs.h
View file

@ -1898,7 +1898,6 @@ extern int current_umask(void);
extern struct kobject *fs_kobj;
#define MAX_RW_COUNT (INT_MAX & PAGE_CACHE_MASK)
extern int rw_verify_area(int, struct file *, loff_t *, size_t);
#define FLOCK_VERIFY_READ 1
#define FLOCK_VERIFY_WRITE 2