Mesa (main): vulkan-device-select: Don't leak drmDevicePtr
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Mon Dec 6 12:06:18 UTC 2021
Module: Mesa
Branch: main
Commit: 555f93cdcd9e8f41b860513bcfedc85076f98ff0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=555f93cdcd9e8f41b860513bcfedc85076f98ff0
Author: Jakob Bornecrantz <jakob at collabora.com>
Date: Sun Dec 5 17:32:20 2021 +0000
vulkan-device-select: Don't leak drmDevicePtr
ASAN found a leak:
```
Direct leak of 1440 byte(s) in 10 object(s) allocated from:
#0 0x4a9a92 in calloc (build-Monado-CMake/src/xrt/targets/service/monado-service+0x4a9a92)
#1 0x7fdf82afed06 in drmDeviceAlloc build-drm/../drm/xf86drm.c:3933:14
#2 0x7fdf82b00203 in drmProcessPciDevice build-drm/../drm/xf86drm.c:3965:11
#3 0x7fdf82b00203 in process_device build-drm/../drm/xf86drm.c:4359:16
#4 0x7fdf82b0485e in drmGetDevice2 build-drm/../drm/xf86drm.c:4528:15
#5 0x7fdf70751113 in device_select_find_xcb_pci_default ../src/vulkan/device-select-layer/device_select_x11.c:95:13
#6 0x7fdf70751113 in get_default_device ../src/vulkan/device-select-layer/device_select_layer.c:395:21
#7 0x7fdf70751113 in device_select_EnumeratePhysicalDevices ../src/vulkan/device-select-layer/device_select_layer.c:456:33
```
Cc: mesa-stable
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Reviewed-by: Dave Airlie <airlied at redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14068>
---
src/vulkan/device-select-layer/device_select_x11.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/vulkan/device-select-layer/device_select_x11.c b/src/vulkan/device-select-layer/device_select_x11.c
index b17402e7b06..17387514abf 100644
--- a/src/vulkan/device-select-layer/device_select_x11.c
+++ b/src/vulkan/device-select-layer/device_select_x11.c
@@ -67,6 +67,8 @@ int device_select_find_xcb_pci_default(struct device_pci_info *devices, uint32_t
int scrn;
xcb_connection_t *conn;
int default_idx = -1;
+ drmDevicePtr xdev = NULL;
+
conn = xcb_connect(NULL, &scrn);
if (!conn)
return -1;
@@ -91,7 +93,6 @@ int device_select_find_xcb_pci_default(struct device_pci_info *devices, uint32_t
if (dri3_fd == -1)
goto out;
- drmDevicePtr xdev;
int ret = drmGetDevice2(dri3_fd, 0, &xdev);
close(dri3_fd);
if (ret < 0)
@@ -113,7 +114,9 @@ int device_select_find_xcb_pci_default(struct device_pci_info *devices, uint32_t
if (default_idx != -1)
break;
}
+
out:
+ drmFreeDevice(&xdev); /* Is NULL pointer safe. */
xcb_disconnect(conn);
return default_idx;
}
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