[media] s5p-mfc: add return value check in mfc_sys_init_cmd

alloc_dev_context_buffer method might fail, so add proper
return value check.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kamil Debski <kamil@wypas.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
index f176096..b1b1491 100644 (file)
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
@@ -37,8 +37,12 @@ static int s5p_mfc_sys_init_cmd_v6(struct s5p_mfc_dev *dev)
 {
        struct s5p_mfc_cmd_args h2r_args;
        struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
+       int ret;
+
+       ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev);
+       if (ret)
+               return ret;
 
-       s5p_mfc_hw_call(dev->mfc_ops, alloc_dev_context_buffer, dev);
        mfc_write(dev, dev->ctx_buf.dma, S5P_FIMV_CONTEXT_MEM_ADDR_V6);
        mfc_write(dev, buf_size->dev_ctx, S5P_FIMV_CONTEXT_MEM_SIZE_V6);
        return s5p_mfc_cmd_host2risc_v6(dev, S5P_FIMV_H2R_CMD_SYS_INIT_V6,