From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 15 Apr 2013 08:03:41 +0000 (+0300)
Subject: user_data: compat syscall parameters are user data
X-Git-Tag: 1.59~196
X-Git-Url: https://repo.or.cz/w/smatch.git/commitdiff_plain/de62c125ff7feb70ccf7fe99c47bbb00d3f1487f

user_data: compat syscall parameters are user data

Regular syscalls were handled but compat syscalls use a different macro.
I've added a second test for it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---

diff --git a/check_user_data.c b/check_user_data.c
index b5e3b86a..ca584e3e 100644
--- a/check_user_data.c
+++ b/check_user_data.c
@@ -208,7 +208,8 @@ static void match_syscall_definition(struct symbol *sym)
 	macro = get_macro_name(sym->pos);
 	if (!macro)
 		return;
-	if (strncmp("SYSCALL_DEFINE", macro, strlen("SYSCALL_DEFINE")))
+	if (strncmp("SYSCALL_DEFINE", macro, strlen("SYSCALL_DEFINE")) != 0 &&
+	    strncmp("COMPAT_SYSCALL_DEFINE", macro, strlen("COMPAT_SYSCALL_DEFINE")) != 0)
 		return;
 
 	FOR_EACH_PTR(sym->ctype.base_type->arguments, arg) {