switch prctl_set_mm_exe_file() to fget_light()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-08-27 13:02:21 -04:00
parent 64e09fa2e1
commit e10ce27f0d

View file

@ -1790,9 +1790,9 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
{
struct file *exe_file;
struct dentry *dentry;
int err;
int err, fput_needed;
exe_file = fget(fd);
exe_file = fget_light(fd, &fput_needed);
if (!exe_file)
return -EBADF;
@ -1839,12 +1839,12 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
goto exit_unlock;
err = 0;
set_mm_exe_file(mm, exe_file);
set_mm_exe_file(mm, exe_file); /* this grabs a reference to exe_file */
exit_unlock:
up_write(&mm->mmap_sem);
exit:
fput(exe_file);
fput_light(exe_file, fput_needed);
return err;
}