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msm: eva: Adding kref count for cvp_get_inst_from_id

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Adding count for instance

Change-Id: I238cb15c72acd70415d3202358c7f7a82e007dcb
Signed-off-by: Pranay Varma Kopanati <quic_pkopanat@quicinc.com>
This commit is contained in:
Pranay Varma Kopanati
2024-06-12 10:26:39 +05:30
parent 7953b501a0
commit 681ecf595a
1 changed files with 5 additions and 2 deletions
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7
drivers/media/platform/msm/cvp/hfi_response_handler.c
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@@ -426,7 +426,7 @@ static struct msm_cvp_inst *cvp_get_inst_from_id(struct msm_cvp_core *core,
} }
} }
inst = match ? inst : NULL; inst = match && kref_get_unless_zero(&inst->kref) ? inst : NULL;
mutex_unlock(&core->lock); mutex_unlock(&core->lock);
} else { } else {
if (core->state == CVP_CORE_UNINIT) if (core->state == CVP_CORE_UNINIT)
@@ -525,7 +525,7 @@ static int hfi_process_session_cvp_msg(u32 device_id,
sess_msg = kmem_cache_alloc(cvp_driver->msg_cache, GFP_KERNEL); sess_msg = kmem_cache_alloc(cvp_driver->msg_cache, GFP_KERNEL);
if (sess_msg == NULL) { if (sess_msg == NULL) {
dprintk(CVP_ERR, "%s runs out msg cache memory\n", __func__); dprintk(CVP_ERR, "%s runs out msg cache memory\n", __func__);
return -ENOMEM; goto error_no_mem;
} }
memcpy(&sess_msg->pkt, pkt, get_msg_size()); memcpy(&sess_msg->pkt, pkt, get_msg_size());
@@ -548,11 +548,14 @@ static int hfi_process_session_cvp_msg(u32 device_id,
info->response_type = HAL_NO_RESP; info->response_type = HAL_NO_RESP;
cvp_put_inst(inst);
return 0; return 0;
error_handle_msg: error_handle_msg:
spin_unlock(&inst->session_queue.lock); spin_unlock(&inst->session_queue.lock);
kmem_cache_free(cvp_driver->msg_cache, sess_msg); kmem_cache_free(cvp_driver->msg_cache, sess_msg);
error_no_mem:
cvp_put_inst(inst);
return -ENOMEM; return -ENOMEM;
} }