[media] media: s5p_mfc: Release ctx->ctx if failed to allocate ctx->shm

ctx->ctx should be released if the following allocation for ctx->shm
gets failed.
Signed-off-by: Zhaowei Yuan <zhaowei.yuan@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c

@@ -228,6 +228,7 @@ static int s5p_mfc_alloc_instance_buffer_v5(struct s5p_mfc_ctx *ctx)
 	ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->shm);
 	if (ret) {
 		mfc_err("Failed to allocate shared memory buffer\n");
+		s5p_mfc_release_priv_buf(dev->mem_dev_l, &ctx->ctx);
 		return ret;
 	}