From 3efc5204dd99b13a3ca5f94f9eb6d9d36f261368 Mon Sep 17 00:00:00 2001 From: Stanimir Varbanov Date: Fri, 23 Apr 2021 08:29:31 +0100 Subject: [PATCH] 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 Tested-by: Vikash Garodia Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/venus/hfi.c | 46 +++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/drivers/media/platform/qcom/venus/hfi.c b/drivers/media/platform/qcom/venus/hfi.c index 179b1f8..4e2151f 100644 --- 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 || -- 2.7.4