[PATCH v2 4/4] venus: hfi: Correct session init return error

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The hfi_session_init can be called many times and it returns
EINVAL when the session was already initialized. This error code
(EINVAL) is confusing for the callers. Change hfi_session_init to
return EALREADY error code when the session has been already
initialized.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
---
 drivers/media/platform/qcom/venus/hfi.c  | 2 +-
 drivers/media/platform/qcom/venus/vdec.c | 2 +-
 drivers/media/platform/qcom/venus/venc.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c
index 8786609d269e..0f2482367e06 100644
--- a/drivers/media/platform/qcom/venus/hfi.c
+++ b/drivers/media/platform/qcom/venus/hfi.c
@@ -221,7 +221,7 @@ int hfi_session_init(struct venus_inst *inst, u32 pixfmt)
 	mutex_unlock(&core->lock);
 
 	if (inst->state != INST_UNINIT)
-		return -EINVAL;
+		return -EALREADY;
 
 	inst->hfi_codec = to_codec_type(pixfmt);
 	reinit_completion(&inst->done);
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index 8488411204c3..5337387eef27 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -741,7 +741,7 @@ static int vdec_session_init(struct venus_inst *inst)
 	int ret;
 
 	ret = hfi_session_init(inst, inst->fmt_out->pixfmt);
-	if (ret == -EINVAL)
+	if (ret == -EALREADY)
 		return 0;
 	else if (ret)
 		return ret;
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index e0053cc1b7eb..cb8ff10e38c7 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -725,7 +725,7 @@ static int venc_init_session(struct venus_inst *inst)
 	int ret;
 
 	ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
-	if (ret == -EINVAL)
+	if (ret == -EALREADY)
 		return 0;
 	else if (ret)
 		return ret;
-- 
2.17.1





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