39 	struct user_mode_ctx *uctx = get_current_uctx();  in check_user_access()  local
41 	if (!uctx)  in check_user_access()
44 	return vm_check_access_rights(uctx, flags, (vaddr_t)uaddr, len);  in check_user_access()
132 	struct user_mode_ctx *uctx = get_current_uctx();  in bb_alloc()  local
136 	if (uctx && !ADD_OVERFLOW(uctx->bbuf_offs, len, &offs) &&  in bb_alloc()
137 	    offs <= uctx->bbuf_size) {  in bb_alloc()
138 		bb = maybe_tag_bb(uctx->bbuf + uctx->bbuf_offs, len);  in bb_alloc()
139 		uctx->bbuf_offs = ROUNDUP(offs, BB_ALIGNMENT);  in bb_alloc()
144 static void bb_free_helper(struct user_mode_ctx *uctx, vaddr_t bb, size_t len)  in bb_free_helper()  argument
146 	vaddr_t bbuf = (vaddr_t)uctx->bbuf;  in bb_free_helper()
157 		if (prev_offs + ROUNDUP(len, BB_ALIGNMENT) == uctx->bbuf_offs)  in bb_free_helper()
158 			uctx->bbuf_offs = prev_offs;  in bb_free_helper()
164 	struct user_mode_ctx *uctx = get_current_uctx();  in bb_free()  local
166 	if (uctx)  in bb_free()
167 		bb_free_helper(uctx, memtag_strip_tag_vaddr(bb), len);  in bb_free()
179 	struct user_mode_ctx *uctx = get_current_uctx();  in bb_reset()  local
181 	if (uctx) {  in bb_reset()
186 		maybe_untag_bb(uctx->bbuf, uctx->bbuf_offs);  in bb_reset()
188 		uctx->bbuf_offs = 0;  in bb_reset()