drm/v3d: don't leak bin job if v3d_job_init fails.

If the initialization of the job fails we need to kfree() it
before returning.
Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190916071125.5255-1-itoral@igalia.com
Fixes: a783a09e ("drm/v3d: Refactor job management.")
Reviewed-by: Eric Anholt <eric@anholt.net>

drivers/gpu/drm/v3d/v3d_gem.c

@@ -563,6 +563,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 		ret = v3d_job_init(v3d, file_priv, &bin->base,
 				   v3d_job_free, args->in_sync_bcl);
 		if (ret) {
+			kfree(bin);
 			v3d_job_put(&render->base);
 			return ret;
 		}