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!360 fix:Modify function security issues in mipidsi

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Merge pull request !360 from 贾子扬/OpenHarmony-3.0-LTS
This commit is contained in:
openharmony_ci
2022-07-15 06:16:54 +00:00
committed by Gitee
parent 3ca6d5a5e1 3704aa226b
commit 7a9510f1df
1 changed files with 16 additions and 24 deletions
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platform/mipi_dsi/mipi_tx_dev.c
+16 -24
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@@ -338,13 +338,11 @@ static int32_t MipiDsiDevSetCfg(struct MipiDsiCntlr *cntlr, struct MipiCfg *arg)
HDF_LOGE("%s: [CopyFromUser] failed.", __func__);
return HDF_FAILURE;
}
} else { /* kernel space */
if (memcpy_s(temp, size, arg, size) != EOK) {
OsalMemFree(temp);
temp = NULL;
HDF_LOGE("%s: [memcpy_s] failed.", __func__);
return HDF_FAILURE;
}
} else {
OsalMemFree(temp);
temp = NULL;
HDF_LOGE("%s: illegal user space address.", __func__);
return HDF_FAILURE;
}
ret = MipiDsiCntlrSetCfg(cntlr, temp);
@@ -388,13 +386,11 @@ int32_t MipiDsiDevSetCmd(struct MipiDsiCntlr *cntlr, struct DsiCmdDesc *arg)
HDF_LOGE("%s: [CopyFromUser] failed.", __func__);
return HDF_FAILURE;
}
} else { /* kernel space */
if (memcpy_s(temp, size, arg, size) != EOK) {
OsalMemFree(temp);
temp = NULL;
HDF_LOGE("%s: [memcpy_s] failed.", __func__);
return HDF_FAILURE;
}
} else {
OsalMemFree(temp);
temp = NULL;
HDF_LOGE("%s: illegal user space address.", __func__);
return HDF_FAILURE;
}
ret = MipiDsiCntlrTx(cntlr, temp);
@@ -428,11 +424,9 @@ int32_t MipiDsiDevGetCmd(struct MipiDsiCntlr *cntlr, GetDsiCmdDescTag *arg)
HDF_LOGE("%s: [CopyFromUser] failed.", __func__);
goto fail0;
}
} else { /* kernel space */
if (memcpy_s(temp, size, arg, size) != EOK) {
HDF_LOGE("%s: [memcpy_s] failed.", __func__);
goto fail0;
}
} else {
HDF_LOGE("%s: illegal user space address.", __func__);
goto fail0;
}
ret = MipiDsiCntlrRx(cntlr, &temp->readCmd, temp->readLen, temp->out);
if (ret != HDF_SUCCESS) {
@@ -448,11 +442,9 @@ int32_t MipiDsiDevGetCmd(struct MipiDsiCntlr *cntlr, GetDsiCmdDescTag *arg)
HDF_LOGE("%s: [CopyToUser] failed.", __func__);
goto fail0;
}
} else { /* kernel space */
if (memcpy_s(arg, size, temp, size) != EOK) {
HDF_LOGE("%s: [memcpy_s] failed.", __func__);
goto fail0;
}
} else {
HDF_LOGE("%s: illegal user space address.", __func__);
goto fail0;
}
OsalMemFree(temp);
temp = NULL;