diff mbox series

[RESEND] drm/qxl: prevent memory leak

Message ID 20230425014543.3448839-1-zhouzongmin@kylinos.cn (mailing list archive)
State New, archived
Headers show
Series [RESEND] drm/qxl: prevent memory leak | expand

Commit Message

Zongmin Zhou April 25, 2023, 1:45 a.m. UTC
The allocated memory for qdev->dumb_heads should be released
in qxl_destroy_monitors_object before qxl suspend.
otherwise,qxl_create_monitors_object will be called to
reallocate memory for qdev->dumb_heads after qxl resume,
it will cause memory leak.

Signed-off-by: Zongmin Zhou<zhouzongmin@kylinos.cn>
---
 drivers/gpu/drm/qxl/qxl_display.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 6492a70e3c39..404b0483bb7c 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -1229,6 +1229,9 @@  int qxl_destroy_monitors_object(struct qxl_device *qdev)
 	if (!qdev->monitors_config_bo)
 		return 0;
 
+	kfree(qdev->dumb_heads);
+	qdev->dumb_heads = NULL;
+
 	qdev->monitors_config = NULL;
 	qdev->ram_header->monitors_config = 0;