[PATCH v3 5/5] as-name: check for multiple address spaces at parsing time

[Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>]

Warn on non-sensical declarations like:
	int __user __iomem *ptr;
These can be easily be checked at parsing time.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
 parse.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/parse.c b/parse.c
index d0385f34c..0910f3657 100644
--- a/parse.c
+++ b/parse.c
@@ -1129,8 +1129,13 @@ static struct token *attribute_address_space(struct token *token, struct symbol
 		warning(token->pos, "invalid address space name");
 	}
 
-	if (Waddress_space && as)
+	if (Waddress_space && as) {
+		if (ctx->ctype.as)
+			sparse_error(token->pos,
+				     "multiple address space given: %s & %s",
+				     show_as(ctx->ctype.as), show_as(as));
 		ctx->ctype.as = as;
+	}
 	token = expect(next, ')', "after address_space attribute");
 	return token;
 }
-- 
2.19.0