913 static int validate_mmap_request(struct file *file,  in validate_mmap_request()  argument
948 	if (file) {  in validate_mmap_request()
953 		if (!file->f_op->mmap)  in validate_mmap_request()
960 		mapping = file->f_mapping;  in validate_mmap_request()
962 			mapping = file_inode(file)->i_mapping;  in validate_mmap_request()
971 			switch (file_inode(file)->i_mode & S_IFMT) {  in validate_mmap_request()
991 		if (!file->f_op->get_unmapped_area)  in validate_mmap_request()
993 		if (!file->f_op->read)  in validate_mmap_request()
997 		if (!(file->f_mode & FMODE_READ))  in validate_mmap_request()
1003 			    !(file->f_mode & FMODE_WRITE))  in validate_mmap_request()
1006 			if (IS_APPEND(file_inode(file)) &&  in validate_mmap_request()
1007 			    (file->f_mode & FMODE_WRITE))  in validate_mmap_request()
1010 			if (locks_verify_locked(file))  in validate_mmap_request()
1046 		if (file->f_path.mnt->mnt_flags & MNT_NOEXEC) {  in validate_mmap_request()
1088 static unsigned long determine_vm_flags(struct file *file,  in determine_vm_flags()  argument
1101 		if (file && !(prot & PROT_WRITE))  in determine_vm_flags()
1261 unsigned long do_mmap_pgoff(struct file *file,  in do_mmap_pgoff()  argument
1281 	ret = validate_mmap_request(file, addr, len, prot, flags, pgoff,  in do_mmap_pgoff()
1294 	vm_flags = determine_vm_flags(file, prot, flags, capabilities);  in do_mmap_pgoff()
1313 	if (file) {  in do_mmap_pgoff()
1314 		region->vm_file = get_file(file);  in do_mmap_pgoff()
1315 		vma->vm_file = get_file(file);  in do_mmap_pgoff()
1343 			    file_inode(file))  in do_mmap_pgoff()
1400 			addr = file->f_op->get_unmapped_area(file, addr, len,  in do_mmap_pgoff()
1427 	if (file && vma->vm_flags & VM_SHARED)  in do_mmap_pgoff()
1498 	struct file *file = NULL;  in SYSCALL_DEFINE6()  local
1503 		file = fget(fd);  in SYSCALL_DEFINE6()
1504 		if (!file)  in SYSCALL_DEFINE6()
1510 	retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);  in SYSCALL_DEFINE6()
1512 	if (file)  in SYSCALL_DEFINE6()
1513 		fput(file);  in SYSCALL_DEFINE6()
1877 unsigned long arch_get_unmapped_area(struct file *file, unsigned long addr,  in arch_get_unmapped_area()  argument