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switch simple cases of fget_light to fdget

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Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-08-28 12:52:22 -04:00
commit 2903ff019b
44 changed files with 633 additions and 763 deletions
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32
fs/fcntl.c
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@ -348,25 +348,23 @@ static int check_fcntl_cmd(unsigned cmd)
SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
{
struct file *filp;
int fput_needed;
struct fd f = fdget_raw(fd);
long err = -EBADF;
filp = fget_raw_light(fd, &fput_needed);
if (!filp)
if (!f.file)
goto out;
if (unlikely(filp->f_mode & FMODE_PATH)) {
if (unlikely(f.file->f_mode & FMODE_PATH)) {
if (!check_fcntl_cmd(cmd))
goto out1;
}
err = security_file_fcntl(filp, cmd, arg);
err = security_file_fcntl(f.file, cmd, arg);
if (!err)
err = do_fcntl(fd, cmd, arg, filp);
err = do_fcntl(fd, cmd, arg, f.file);
out1:
fput_light(filp, fput_needed);
fdput(f);
out:
return err;
}
@ -375,38 +373,36 @@ out:
SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
unsigned long, arg)
{
struct file * filp;
struct fd f = fdget_raw(fd);
long err = -EBADF;
int fput_needed;
filp = fget_raw_light(fd, &fput_needed);
if (!filp)
if (!f.file)
goto out;
if (unlikely(filp->f_mode & FMODE_PATH)) {
if (unlikely(f.file->f_mode & FMODE_PATH)) {
if (!check_fcntl_cmd(cmd))
goto out1;
}
err = security_file_fcntl(filp, cmd, arg);
err = security_file_fcntl(f.file, cmd, arg);
if (err)
goto out1;
switch (cmd) {
case F_GETLK64:
err = fcntl_getlk64(filp, (struct flock64 __user *) arg);
err = fcntl_getlk64(f.file, (struct flock64 __user *) arg);
break;
case F_SETLK64:
case F_SETLKW64:
err = fcntl_setlk64(fd, filp, cmd,
err = fcntl_setlk64(fd, f.file, cmd,
(struct flock64 __user *) arg);
break;
default:
err = do_fcntl(fd, cmd, arg, filp);
err = do_fcntl(fd, cmd, arg, f.file);
break;
}
out1:
fput_light(filp, fput_needed);
fdput(f);
out:
return err;
}