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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/qcom/qdsp6/q6core.c
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@@ -10,7 +10,6 @@
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 #include <linux/of.h>
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 #include <linux/of_platform.h>
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 #include <linux/jiffies.h>
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-#include <linux/wait.h>
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 #include <linux/soc/qcom/apr.h>
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 #include "q6core.h"
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 #include "q6dsp-errno.h"
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@@ -99,17 +98,15 @@
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 	}
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 	case AVCS_CMDRSP_GET_FWK_VERSION: {
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 		struct avcs_cmdrsp_get_fwk_version *fwk;
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-		int bytes;
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 		fwk = data->payload;
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-		bytes = sizeof(*fwk) + fwk->num_services *
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-				sizeof(fwk->svc_api_info[0]);
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-		core->fwk_version = kzalloc(bytes, GFP_ATOMIC);
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+		core->fwk_version = kmemdup(data->payload,
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+					    struct_size(fwk, svc_api_info,
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+							fwk->num_services),
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+					    GFP_ATOMIC);
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 		if (!core->fwk_version)
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 			return -ENOMEM;
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-
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-		memcpy(core->fwk_version, data->payload, bytes);
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 		core->fwk_version_supported = true;
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 		core->resp_received = true;
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@@ -118,17 +115,15 @@
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 	}
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 	case AVCS_GET_VERSIONS_RSP: {
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 		struct avcs_cmdrsp_get_version *v;
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-		int len;
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 		v = data->payload;
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-		len = sizeof(*v) + v->num_services * sizeof(v->svc_api_info[0]);
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-
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-		core->svc_version = kzalloc(len, GFP_ATOMIC);
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+		core->svc_version = kmemdup(data->payload,
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+					    struct_size(v, svc_api_info,
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+							v->num_services),
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+					    GFP_ATOMIC);
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 		if (!core->svc_version)
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 			return -ENOMEM;
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-
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-		memcpy(core->svc_version, data->payload, len);
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 		core->get_version_supported = true;
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 		core->resp_received = true;
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@@ -359,11 +354,13 @@
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 	return 0;
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 }
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+#ifdef CONFIG_OF
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 static const struct of_device_id q6core_device_id[]  = {
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 	{ .compatible = "qcom,q6core" },
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 	{},
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 };
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 MODULE_DEVICE_TABLE(of, q6core_device_id);
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+#endif
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 static struct apr_driver qcom_q6core_driver = {
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 	.probe = q6core_probe,