From 1af0e4a0233fea7e8226cb977d379dc20f9bbe11 Mon Sep 17 00:00:00 2001 From: Christian Göttsche Date: Thu, 17 Feb 2022 15:18:57 +0100 Subject: security: declare member holding string literal const MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The struct security_hook_list member lsm is assigned in security_add_hooks() with string literals passed from the individual security modules. Declare the function parameter and the struct member const to signal their immutability. Reported by Clang [-Wwrite-strings]: security/selinux/hooks.c:7388:63: error: passing 'const char [8]' to parameter of type 'char *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] security_add_hooks(selinux_hooks, ARRAY_SIZE(selinux_hooks), selinux); ^~~~~~~~~ ./include/linux/lsm_hooks.h:1629:11: note: passing argument to parameter 'lsm' here char *lsm); ^ Signed-off-by: Christian Göttsche Reviewed-by: Paul Moore Reviewed-by: Casey Schaufler Signed-off-by: Paul Moore --- security/security.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'security') diff --git a/security/security.c b/security/security.c index b7cf5cbfdc67..985afd150dd6 100644 --- a/security/security.c +++ b/security/security.c @@ -478,7 +478,7 @@ static int lsm_append(const char *new, char **result) * Each LSM has to register its hooks with the infrastructure. */ void __init security_add_hooks(struct security_hook_list *hooks, int count, - char *lsm) + const char *lsm) { int i; -- cgit v1.2.3