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drm/amd/amdxcp: use kasprintf for XCP platform device names

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Replace the fixed stack buffer with kasprintf() so platform
device names are always fully formatted.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Candice Li 2026-05-19 12:47:24 +08:00 committed by Alex Deucher
parent 05465e2a13
commit 79a9f51ab9
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/amd/amdxcp/amdgpu_xcp_drv.c
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@ -25,6 +25,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <drm/drm_drv.h>
@ -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);