drm/vmwgfx: Fix handling of errors returned by 'vmw_cotable_alloc()'

'vmw_cotable_alloc()' returns an error pointer on error, not NULL.
Propagate the error code, instead of returning -ENOMEM unconditionally

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Sinclair Yeh <syeh@vmware.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
index 1a46b18bf2b7..be0877651098 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
@@ -209,8 +209,8 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv,
                 for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
                         uctx->cotables[i] = vmw_cotable_alloc(dev_priv,
                                                               &uctx->res, i);
-                        if (unlikely(uctx->cotables[i] == NULL)) {
-                                ret = -ENOMEM;
+                        if (unlikely(IS_ERR(uctx->cotables[i]))) {
+                                ret = PTR_ERR(uctx->cotables[i]);
                                 goto out_cotables;
                         }
                 }