media: venus: hfi: Check for sys error on session hfi functions

Check sys error flag for all hfi_session_xxx functions and
exit with EIO in case of an error.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Tested-by: Vikash Garodia <vgarodia@codeaurora.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c
index 179b1f8..4e2151f 100644 (file)
--- a/drivers/media/platform/qcom/venus/hfi.c
+++ b/drivers/media/platform/qcom/venus/hfi.c
@@ -187,6 +187,11 @@ int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops)
 
        mutex_lock(&core->lock);
 
+       if (test_bit(0, &inst->core->sys_error)) {
+               ret = -EIO;
+               goto unlock;
+       }
+
        max = atomic_add_unless(&core->insts_count, 1,
                                core->max_sessions_supported);
        if (!max) {
@@ -196,6 +201,7 @@ int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops)
                ret = 0;
        }
 
+unlock:
        mutex_unlock(&core->lock);
 
        return ret;
@@ -263,6 +269,9 @@ int hfi_session_deinit(struct venus_inst *inst)
        if (inst->state < INST_INIT)
                return -EINVAL;
 
+       if (test_bit(0, &inst->core->sys_error))
+               goto done;
+
        reinit_completion(&inst->done);
 
        ret = ops->session_end(inst);
@@ -273,6 +282,7 @@ int hfi_session_deinit(struct venus_inst *inst)
        if (ret)
                return ret;
 
+done:
        inst->state = INST_UNINIT;
 
        return 0;
@@ -284,6 +294,9 @@ int hfi_session_start(struct venus_inst *inst)
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (inst->state != INST_LOAD_RESOURCES)
                return -EINVAL;
 
@@ -308,6 +321,9 @@ int hfi_session_stop(struct venus_inst *inst)
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (inst->state != INST_START)
                return -EINVAL;
 
@@ -331,6 +347,9 @@ int hfi_session_continue(struct venus_inst *inst)
 {
        struct venus_core *core = inst->core;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (core->res->hfi_version == HFI_VERSION_1XX)
                return 0;
 
@@ -343,6 +362,9 @@ int hfi_session_abort(struct venus_inst *inst)
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        reinit_completion(&inst->done);
 
        ret = ops->session_abort(inst);
@@ -362,6 +384,9 @@ int hfi_session_load_res(struct venus_inst *inst)
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (inst->state != INST_INIT)
                return -EINVAL;
 
@@ -385,6 +410,9 @@ int hfi_session_unload_res(struct venus_inst *inst)
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (inst->state != INST_STOP)
                return -EINVAL;
 
@@ -409,6 +437,9 @@ int hfi_session_flush(struct venus_inst *inst, u32 type, bool block)
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        reinit_completion(&inst->done);
 
        ret = ops->session_flush(inst, type);
@@ -429,6 +460,9 @@ int hfi_session_set_buffers(struct venus_inst *inst, struct hfi_buffer_desc *bd)
 {
        const struct hfi_ops *ops = inst->core->ops;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        return ops->session_set_buffers(inst, bd);
 }
 
@@ -438,6 +472,9 @@ int hfi_session_unset_buffers(struct venus_inst *inst,
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        reinit_completion(&inst->done);
 
        ret = ops->session_unset_buffers(inst, bd);
@@ -460,6 +497,9 @@ int hfi_session_get_property(struct venus_inst *inst, u32 ptype,
        const struct hfi_ops *ops = inst->core->ops;
        int ret;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (inst->state < INST_INIT || inst->state >= INST_STOP)
                return -EINVAL;
 
@@ -483,6 +523,9 @@ int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata)
 {
        const struct hfi_ops *ops = inst->core->ops;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (inst->state < INST_INIT || inst->state >= INST_STOP)
                return -EINVAL;
 
@@ -494,6 +537,9 @@ int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *fd)
 {
        const struct hfi_ops *ops = inst->core->ops;
 
+       if (test_bit(0, &inst->core->sys_error))
+               return -EIO;
+
        if (fd->buffer_type == HFI_BUFFER_INPUT)
                return ops->session_etb(inst, fd);
        else if (fd->buffer_type == HFI_BUFFER_OUTPUT ||