From: Xiaogang Chen <xiaogang.c...@amd.com> [ Upstream commit 021ba7f1babd029e714d13a6bf2571b08af96d0f ]
by casting size_limit_mb to u64 when calculate pglimit. Signed-off-by: Xiaogang Chen<xiaogang.c...@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250321164126.329638-1-xiaogang.c...@amd.com Signed-off-by: Christian König <christian.koe...@amd.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/dma-buf/udmabuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index d1fcdd1f9aaed..373282beeb606 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -214,7 +214,7 @@ static long udmabuf_create(struct miscdevice *device, if (!ubuf) return -ENOMEM; - pglimit = (size_limit_mb * 1024 * 1024) >> PAGE_SHIFT; + pglimit = ((u64)size_limit_mb * 1024 * 1024) >> PAGE_SHIFT; for (i = 0; i < head->count; i++) { if (!IS_ALIGNED(list[i].offset, PAGE_SIZE)) goto err; -- 2.39.5
