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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id x15sm4464205pfh.27.2017.12.13.14.41.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Dec 2017 14:41:21 -0800 (PST) From: Bjorn Andersson To: Ohad Ben-Cohen , Bjorn Andersson Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/8] remoteproc: Don't handle empty resource table Date: Wed, 13 Dec 2017 14:41:08 -0800 Message-Id: <20171213224111.17864-6-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.15.0 In-Reply-To: <20171213224111.17864-1-bjorn.andersson@linaro.org> References: <20171213224111.17864-1-bjorn.andersson@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Allow a NULL table_ptr to have the same meaning as a table with 0 entries, allowing a subsequent patch to skip the assignment step. A few other places in the implementation does dereference table_ptr, but they are currently all coming from rproc_handle_resources(). Signed-off-by: Bjorn Andersson --- drivers/remoteproc/remoteproc_core.c | 3 +++ 1 file changed, 3 insertions(+) -- 2.15.0 diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index f2b6aa5d204c..63d88d1d206e 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -739,6 +739,9 @@ static int rproc_handle_resources(struct rproc *rproc, rproc_handle_resource_t handler; int ret = 0, i; + if (!rproc->table_ptr) + return 0; + for (i = 0; i < rproc->table_ptr->num; i++) { int offset = rproc->table_ptr->offset[i]; struct fw_rsc_hdr *hdr = (void *)rproc->table_ptr + offset;