AMD General
Series is
Reviewed-by: Hawking Zhang
Regards,
Hawking
-Original Message-
From: Li, Candice
Sent: Thursday, May 28, 2026 12:34 PM
To: [email protected]
Cc: Zhang, Hawking ; Zhou1, Tao ;
Yang, Stanley ; Chai, Thomas ; Li,
Candice
Subject: [PATCH 8/8] drm/amd/amdxcp: assert XCP platform device names
Replace the fixed stack buffer and static_assert with kasprintf() so platform
device names are always fully formatted.
Signed-off-by: Candice Li
---
drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c
b/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c
index 44009aa8216ed0..995cae6be144a0 100644
--- a/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c
+++ b/drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c
@@ -25,6 +25,7 @@
#include
#include
#include
+#include
#include
@@ -52,7 +53,7 @@ int amdgpu_xcp_drm_dev_alloc(struct drm_device **ddev) {
struct platform_device *pdev;
struct xcp_device *pxcp_dev;
- char dev_name[20];
+ char *dev_name;
int ret, i;
guard(mutex)(&xcp_mutex);
@@ -68,8 +69,12 @@ int amdgpu_xcp_drm_dev_alloc(struct drm_device **ddev)
if (i >= MAX_XCP_PLATFORM_DEVICE)
return -ENODEV;
- snprintf(dev_name, sizeof(dev_name), "amdgpu_xcp_%d", i);
+ dev_name = kasprintf(GFP_KERNEL, "amdgpu_xcp_%d", i);
+ if (!dev_name)
+ return -ENOMEM;
+
pdev = platform_device_register_simple(dev_name, -1, NULL, 0);
+ kfree(dev_name);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
--
2.25.1
