drm/nouveau/disp: sizeof() wrong pointer

"data" is a void pointer and "args" is "data" after we have casted it to
a struct.  We care about the size of the struct here.  Btw,
sizeof(*data) is 1.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

2 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 0d26f00a2f15..78f09c3dff1f 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -333,7 +333,7 @@ nv50_disp_sync_ctor(struct nouveau_object *parent,
         struct nv50_disp_dmac *dmac;
         int ret;
 
-        if (size < sizeof(*data) || args->head > 1)
+        if (size < sizeof(*args) || args->head > 1)
                 return -EINVAL;
 
         ret = nv50_disp_dmac_create_(parent, engine, oclass, args->pushbuf,
@@ -372,7 +372,7 @@ nv50_disp_ovly_ctor(struct nouveau_object *parent,
         struct nv50_disp_dmac *dmac;
         int ret;
 
-        if (size < sizeof(*data) || args->head > 1)
+        if (size < sizeof(*args) || args->head > 1)
                 return -EINVAL;
 
         ret = nv50_disp_dmac_create_(parent, engine, oclass, args->pushbuf,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 74626e8c020b..446189936612 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -228,7 +228,7 @@ nvd0_disp_sync_ctor(struct nouveau_object *parent,
         struct nv50_disp_dmac *dmac;
         int ret;
 
-        if (size < sizeof(*data) || args->head >= priv->head.nr)
+        if (size < sizeof(*args) || args->head >= priv->head.nr)
                 return -EINVAL;
 
         ret = nv50_disp_dmac_create_(parent, engine, oclass, args->pushbuf,
@@ -268,7 +268,7 @@ nvd0_disp_ovly_ctor(struct nouveau_object *parent,
         struct nv50_disp_dmac *dmac;
         int ret;
 
-        if (size < sizeof(*data) || args->head >= priv->head.nr)
+        if (size < sizeof(*args) || args->head >= priv->head.nr)
                 return -EINVAL;
 
         ret = nv50_disp_dmac_create_(parent, engine, oclass, args->pushbuf,