From: Colin Ian King <colin.i.king@gmail.com>
To: Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] lkdtm: cfi: use NULL for a null pointer rather than zero
Date: Sun, 12 Jun 2022 21:27:08 +0100 [thread overview]
Message-ID: <20220612202708.2754270-1-colin.i.king@gmail.com> (raw)
There is a pointer being initialized with a zero, use NULL instead.
Cleans up sparse warning:
drivers/misc/lkdtm/cfi.c:100:27: warning: Using plain integer as NULL pointer
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
drivers/misc/lkdtm/cfi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/lkdtm/cfi.c b/drivers/misc/lkdtm/cfi.c
index 666a7f4bc137..71483cb1e422 100644
--- a/drivers/misc/lkdtm/cfi.c
+++ b/drivers/misc/lkdtm/cfi.c
@@ -97,7 +97,7 @@ static volatile int force_check;
static void lkdtm_CFI_BACKWARD(void)
{
/* Use calculated gotos to keep labels addressable. */
- void *labels[] = {0, &&normal, &&redirected, &&check_normal, &&check_redirected};
+ void *labels[] = { NULL, &&normal, &&redirected, &&check_normal, &&check_redirected };
pr_info("Attempting unchecked stack return address redirection ...\n");
--
2.35.3
next reply other threads:[~2022-06-12 20:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-12 20:27 Colin Ian King [this message]
2022-06-13 17:13 ` Kees Cook
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