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| author | Lizhi Hou <lizhi.hou@amd.com> | 2026-06-15 23:15:32 -0700 |
|---|---|---|
| committer | Lizhi Hou <lizhi.hou@amd.com> | 2026-07-06 22:34:56 -0700 |
| commit | 18aaebdf43366954345a6721ed2bff3ac3c9fa61 (patch) | |
| tree | 78b92a61aaa53bd09f90d90dfb41f16c731887a7 /drivers/accel | |
| parent | e35c9cf5512814fb04f369f2eada64f0a7164609 (diff) | |
| download | linux-next-18aaebdf43366954345a6721ed2bff3ac3c9fa61.tar.gz linux-next-18aaebdf43366954345a6721ed2bff3ac3c9fa61.zip | |
accel/amdxdna: Use unsigned long for nr_pages in amdxdna_hmm_register()
nr_pages is declared as u32 in amdxdna_hmm_register(), which may not be
large enough to represent the number of pages for large mappings.
Use unsigned long for nr_pages to avoid potential overflow.
Fixes: ac49797c1815 ("accel/amdxdna: Add GEM buffer object management")
Reviewed-by: Max Zhen <max.zhen@amd.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260616061532.3533469-1-lizhi.hou@amd.com
Diffstat (limited to 'drivers/accel')
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_gem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_gem.c b/drivers/accel/amdxdna/amdxdna_gem.c index 45abd6a804cc..3afa5ffff93f 100644 --- a/drivers/accel/amdxdna/amdxdna_gem.c +++ b/drivers/accel/amdxdna/amdxdna_gem.c @@ -346,7 +346,7 @@ static int amdxdna_hmm_register(struct amdxdna_gem_obj *abo, unsigned long len = vma->vm_end - vma->vm_start; unsigned long addr = vma->vm_start; struct amdxdna_umap *mapp; - u32 nr_pages; + unsigned long nr_pages; int ret; if (!amdxdna_pasid_on(abo->client)) { |