media: venus: hfi: return an error if session_init is already called

This makes hfi_session_init to return an error when it is
already called without a call to hfi_session_deinit.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c
index 82eb889ab5414f19c282953e16eef5d1dd16c85f..3d8b1284d1f35386b598f2c41deff1fd1e572b98 100644 (file)
--- a/drivers/media/platform/qcom/venus/hfi.c
+++ b/drivers/media/platform/qcom/venus/hfi.c
@@ -198,6 +198,9 @@ int hfi_session_init(struct venus_inst *inst, u32 pixfmt)
        const struct hfi_ops *ops = core->ops;
        int ret;
 
+       if (inst->state != INST_UNINIT)
+               return -EINVAL;
+
        inst->hfi_codec = to_codec_type(pixfmt);
        reinit_completion(&inst->done);