drm: Fixes linux-next & linux-2.6 checkstack warnings:

drivers/gpu/drm/nouveau/nv40_graph.c: In function `nv40_graph_init':
drivers/gpu/drm/nouveau/nv40_graph.c:400: warning: the frame size of 1184 bytes is larger than 1024 bytes
drivers/gpu/drm/radeon/radeon_atombios.c: In function `radeon_get_atom_connector_info_from_supported_devices_table':
drivers/gpu/drm/radeon/radeon_atombios.c:857: warning: the frame size of 1872 bytes is larger than 1024 bytes

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 18 insertions, 3 deletions

diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c
index 0616c96e4b67..704a25d04ac9 100644
--- a/drivers/gpu/drm/nouveau/nv40_graph.c
+++ b/drivers/gpu/drm/nouveau/nv40_graph.c
@@ -253,7 +253,11 @@ nv40_graph_init(struct drm_device *dev)
 
         if (!dev_priv->engine.graph.ctxprog) {
                 struct nouveau_grctx ctx = {};
-                uint32_t cp[256];
+                uint32_t *cp;
+
+                cp = kmalloc(sizeof(*cp) * 256, GFP_KERNEL);
+                if (!cp)
+                        return -ENOMEM;
 
                 ctx.dev = dev;
                 ctx.mode = NOUVEAU_GRCTX_PROG;
@@ -265,6 +269,8 @@ nv40_graph_init(struct drm_device *dev)
                 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
                 for (i = 0; i < ctx.ctxprog_len; i++)
                         nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
+
+                kfree(cp);
         }
 
         /* No context present currently */
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 6e733fdc3349..24ea683f7cf5 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -680,10 +680,18 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
         uint8_t dac;
         union atom_supported_devices *supported_devices;
         int i, j, max_device;
-        struct bios_connector bios_connectors[ATOM_MAX_SUPPORTED_DEVICE];
+        struct bios_connector *bios_connectors;
+        size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
 
-        if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
+        bios_connectors = kzalloc(bc_size, GFP_KERNEL);
+        if (!bios_connectors)
+                return false;
+
+        if (!atom_parse_data_header(ctx, index, &size, &frev, &crev,
+                                    &data_offset)) {
+                kfree(bios_connectors);
                 return false;
+        }
 
         supported_devices =
             (union atom_supported_devices *)(ctx->bios + data_offset);
@@ -851,6 +859,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
         radeon_link_encoder_connector(dev);
 
+        kfree(bios_connectors);
         return true;
 }