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fs: remove ksys_dup 

Fold it into the only remaining caller.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-07-14 08:58:49 +02:00
parent 166e07c37c
commit bc1cd99a9a
2 changed files with 1 additions and 7 deletions
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7
fs/file.c
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@ -985,7 +985,7 @@ SYSCALL_DEFINE2(dup2, unsigned int, oldfd, unsigned int, newfd)
return ksys_dup3(oldfd, newfd, 0); return ksys_dup3(oldfd, newfd, 0);
} }
int ksys_dup(unsigned int fildes) SYSCALL_DEFINE1(dup, unsigned int, fildes)
{ {
int ret = -EBADF; int ret = -EBADF;
struct file *file = fget_raw(fildes); struct file *file = fget_raw(fildes);
@ -1000,11 +1000,6 @@ int ksys_dup(unsigned int fildes)
return ret; return ret;
} }
SYSCALL_DEFINE1(dup, unsigned int, fildes)
{
return ksys_dup(fildes);
}
int f_dupfd(unsigned int from, struct file *file, unsigned flags) int f_dupfd(unsigned int from, struct file *file, unsigned flags)
{ {
int err; int err;

1
include/linux/syscalls.h
View File

@ -1237,7 +1237,6 @@ asmlinkage long sys_ni_syscall(void);
*/ */
int ksys_umount(char __user *name, int flags); int ksys_umount(char __user *name, int flags);
int ksys_dup(unsigned int fildes);
int ksys_chroot(const char __user *filename); int ksys_chroot(const char __user *filename);
ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count); ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
int ksys_chdir(const char __user *filename); int ksys_chdir(const char __user *filename);