Module Name: src
Committed By: mrg
Date: Tue Aug 15 04:57:36 UTC 2023
Modified Files:
src/sys/external/bsd/drm2/drm: drm_gem_cma_helper.c
Log Message:
avoid uninitialised variable usage in drm_gem_cma_create_internal().
in the case nothing has returned 'error', 'nsegs' and the dma info
are (potentially) uninitialised, so consider this an error.
found by GCC 12.
To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/external/bsd/drm2/drm/drm_gem_cma_helper.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/drm/drm_gem_cma_helper.c
diff -u src/sys/external/bsd/drm2/drm/drm_gem_cma_helper.c:1.14 src/sys/external/bsd/drm2/drm/drm_gem_cma_helper.c:1.15
--- src/sys/external/bsd/drm2/drm/drm_gem_cma_helper.c:1.14 Sat Jul 2 00:26:07 2022
+++ src/sys/external/bsd/drm2/drm/drm_gem_cma_helper.c Tue Aug 15 04:57:36 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: drm_gem_cma_helper.c,v 1.14 2022/07/02 00:26:07 riastradh Exp $ */
+/* $NetBSD: drm_gem_cma_helper.c,v 1.15 2023/08/15 04:57:36 mrg Exp $ */
/*-
* Copyright (c) 2015-2017 Jared McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_gem_cma_helper.c,v 1.14 2022/07/02 00:26:07 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_gem_cma_helper.c,v 1.15 2023/08/15 04:57:36 mrg Exp $");
#include <linux/err.h>
@@ -44,7 +44,7 @@ drm_gem_cma_create_internal(struct drm_d
struct sg_table *sgt)
{
struct drm_gem_cma_object *obj;
- int error, nsegs;
+ int error = EINVAL, nsegs;
obj = kmem_zalloc(sizeof(*obj), KM_SLEEP);
obj->dmat = ddev->dmat;
