From: Xiaogang Chen xiaogang.chen@amd.com

[ Upstream commit 021ba7f1babd029e714d13a6bf2571b08af96d0f ]

by casting size_limit_mb to u64 when calculate pglimit.

Signed-off-by: Xiaogang ChenXiaogang.Chen@amd.com Link: https://patchwork.freedesktop.org/patch/msgid/20250321164126.329638-1-xiaoga... Signed-off-by: Christian König christian.koenig@amd.com Signed-off-by: Sasha Levin sashal@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 14b79458ac7f4..597a92438afc1 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -177,7 +177,7 @@ 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;