smb/server/smb2pdu.c

7171 	struct ksmbd_lock *smb_lock = NULL, *cmp_lock, *tmp, *tmp2;
7250 		smb_lock = smb2_lock_init(flock, cmd, flags, &lock_list);
7251 		if (!smb_lock) {
7258 	list_for_each_entry_safe(smb_lock, tmp, &lock_list, llist) {
7259 		if (smb_lock->cmd < 0) {
7264 		if (!(smb_lock->flags & SMB2_LOCKFLAG_MASK)) {
7270 		     smb_lock->flags & SMB2_LOCKFLAG_UNLOCK) ||
7272 		     !(smb_lock->flags & SMB2_LOCKFLAG_UNLOCK))) {
7277 		prior_lock = smb_lock->flags;
7279 		if (!(smb_lock->flags & SMB2_LOCKFLAG_UNLOCK) &&
7280 		    !(smb_lock->flags & SMB2_LOCKFLAG_FAIL_IMMEDIATELY))
7290 				    file_inode(smb_lock->fl->c.flc_file))
7293 				if (lock_is_unlock(smb_lock->fl)) {
7294 					if (cmp_lock->fl->c.flc_file == smb_lock->fl->c.flc_file &&
7295 					    cmp_lock->start == smb_lock->start &&
7296 					    cmp_lock->end == smb_lock->end &&
7311 				if (cmp_lock->fl->c.flc_file == smb_lock->fl->c.flc_file) {
7312 					if (smb_lock->flags & SMB2_LOCKFLAG_SHARED)
7320 				if (cmp_lock->zero_len && !smb_lock->zero_len &&
7321 				    cmp_lock->start > smb_lock->start &&
7322 				    cmp_lock->start < smb_lock->end) {
7329 				if (smb_lock->zero_len && !cmp_lock->zero_len &&
7330 				    smb_lock->start > cmp_lock->start &&
7331 				    smb_lock->start < cmp_lock->end) {
7338 				if (((cmp_lock->start <= smb_lock->start &&
7339 				      cmp_lock->end > smb_lock->start) ||
7340 				     (cmp_lock->start < smb_lock->end &&
7341 				      cmp_lock->end >= smb_lock->end)) &&
7342 				    !cmp_lock->zero_len && !smb_lock->zero_len) {
7353 		if (lock_is_unlock(smb_lock->fl) && nolock) {
7360 		if (smb_lock->zero_len) {
7365 		flock = smb_lock->fl;
7366 		list_del(&smb_lock->llist);
7368 		rc = vfs_lock_file(filp, smb_lock->cmd, flock, NULL);
7378 			kfree(smb_lock);
7385 				list_add(&smb_lock->llist, &rollback_list);
7415 					list_del(&smb_lock->llist);
7421 						kfree(smb_lock);
7430 					kfree(smb_lock);
7434 				list_del(&smb_lock->llist);
7438 				list_add(&smb_lock->llist, &rollback_list);
7440 				list_add_tail(&smb_lock->clist,
7442 				list_add_tail(&smb_lock->flist,
7467 	list_for_each_entry_safe(smb_lock, tmp, &lock_list, llist) {
7468 		locks_free_lock(smb_lock->fl);
7469 		list_del(&smb_lock->llist);
7470 		kfree(smb_lock);
7473 	list_for_each_entry_safe(smb_lock, tmp, &rollback_list, llist) {
7478 		rlock->fl_start = smb_lock->start;
7479 		rlock->fl_end = smb_lock->end;
7485 		list_del(&smb_lock->llist);
7487 		if (!list_empty(&smb_lock->flist))
7488 			list_del(&smb_lock->flist);
7489 		list_del(&smb_lock->clist);
7492 		locks_free_lock(smb_lock->fl);
7494 		kfree(smb_lock);