Module Name: src
Committed By: riastradh
Date: Sun Jun 26 17:53:06 UTC 2022
Modified Files:
src/sys/external/bsd/drm2/dist/drm/ttm: ttm_tt.c
Log Message:
drm/ttm: Fix potential leak in error branch.
Not likely but let's not leave a rake to trip on.
To generate a diff of this commit:
cvs rdiff -u -r1.18 -r1.19 src/sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.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/dist/drm/ttm/ttm_tt.c
diff -u src/sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.c:1.18 src/sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.c:1.19
--- src/sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.c:1.18 Sun Dec 19 12:29:16 2021
+++ src/sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.c Sun Jun 26 17:53:06 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ttm_tt.c,v 1.18 2021/12/19 12:29:16 riastradh Exp $ */
+/* $NetBSD: ttm_tt.c,v 1.19 2022/06/26 17:53:06 riastradh Exp $ */
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
@@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ttm_tt.c,v 1.18 2021/12/19 12:29:16 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ttm_tt.c,v 1.19 2022/06/26 17:53:06 riastradh Exp $");
#define pr_fmt(fmt) "[TTM] " fmt
@@ -112,8 +112,11 @@ static int ttm_dma_tt_alloc_page_directo
/* Create bus DMA map at ttm->dma_address. */
r = ttm_sg_tt_alloc_page_directory(ttm);
- if (r)
+ if (r) {
+ kvfree(ttm->ttm.pages);
+ ttm->ttm.pages = NULL;
return r;
+ }
/* Success! */
return 0;
