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Merge "plat/st: do not rely on tainted value for dt property length" into integration

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This commit is contained in:
Manish Pandey 2021-04-30 13:04:23 +02:00 • committed by TrustedFirmware Code Review
commit 44de593d19
1 changed files with 5 additions and 6 deletions
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11
plat/st/common/stm32mp_dt.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -72,21 +72,20 @@ bool fdt_check_node(int node)
uint8_t fdt_get_status(int node)
{
uint8_t status = DT_DISABLED;
int len;
const char *cchar;
cchar = fdt_getprop(fdt, node, "status", &len);
cchar = fdt_getprop(fdt, node, "status", NULL);
if ((cchar == NULL) ||
(strncmp(cchar, "okay", (size_t)len) == 0)) {
(strncmp(cchar, "okay", strlen("okay")) == 0)) {
status |= DT_NON_SECURE;
}
cchar = fdt_getprop(fdt, node, "secure-status", &len);
cchar = fdt_getprop(fdt, node, "secure-status", NULL);
if (cchar == NULL) {
if (status == DT_NON_SECURE) {
status |= DT_SECURE;
}
} else if (strncmp(cchar, "okay", (size_t)len) == 0) {
} else if (strncmp(cchar, "okay", strlen("okay")) == 0) {
status |= DT_SECURE;
}