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 <[e-mail]>
Signed-off-by: Eric Anholt <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
Fixes: a783a09ee76d ("drm/v3d: Refactor job management.")
Reviewed-by: Eric Anholt <[e-mail]>

drivers/gpu/drm/v3d/v3d_gem.c

···
 		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;
 		}