intel: Fix error check for I915_PARAM_HAS_LLC.

drmIoctl returns -1 on error with errno set to the error value.  Other
users of it in this file just check for != 0, and only use errno when
they need to send an error value on to the caller of the API.

diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index e87690d..0eb57c4 100644 (file)
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -2753,7 +2753,7 @@ drm_intel_bufmgr_gem_init(int fd, int batch_size)
 
        gp.param = I915_PARAM_HAS_LLC;
        ret = drmIoctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp);
-       if (ret == -EINVAL) {
+       if (ret != 0) {
                /* Kernel does not supports HAS_LLC query, fallback to GPU
                 * generation detection and assume that we have LLC on GEN6/7
                 */