drm/msm: fix an integer overflow test

[karo-tx-linux.git] / drivers / gpu / drm / msm / msm_gem_submit.c

diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index 6bfca74701410050b20d1a136ae5cdc4454b1306..8095658e8cb49414ca95e020a0991d729b2458f2 100644 (file)
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -34,8 +34,8 @@ static struct msm_gem_submit *submit_create(struct drm_device *dev,
                struct msm_gpu *gpu, uint32_t nr_bos, uint32_t nr_cmds)
 {
        struct msm_gem_submit *submit;
-       uint64_t sz = sizeof(*submit) + (nr_bos * sizeof(submit->bos[0])) +
-               (nr_cmds * sizeof(submit->cmd[0]));
+       uint64_t sz = sizeof(*submit) + ((u64)nr_bos * sizeof(submit->bos[0])) +
+               ((u64)nr_cmds * sizeof(submit->cmd[0]));
 
        if (sz > SIZE_MAX)
                return NULL;