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cppcheck: fix null ptr dereference warning

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This commit is contained in:
Philippe Teuwen
2026-02-06 16:00:29 +01:00
parent 26c8b502e2
commit 73df0e186b
1 changed files with 8 additions and 2 deletions
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armsrc/iso14443a.c
+8 -2
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@@ -1192,7 +1192,10 @@ bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_
static void Simulate_read_ulc_key(uint8_t *ulc_key) {
// copy UL-C key from emulator memory
mfu_dump_t *mfu_header = (mfu_dump_t *) BigBuf_get_EM_addr();
if (ulc_key == NULL) {
return;
}
const mfu_dump_t *mfu_header = (const mfu_dump_t *) BigBuf_get_EM_addr();
memcpy(ulc_key, mfu_header->data + (0x2D * 4), 4);
memcpy(ulc_key + 4, mfu_header->data + (0x2C * 4), 4);
memcpy(ulc_key + 8, mfu_header->data + (0x2F * 4), 4);
@@ -1207,7 +1210,10 @@ static void Simulate_read_ulc_key(uint8_t *ulc_key) {
static void Simulate_read_ulaes_key0(uint8_t *ulaes_key0) {
// copy UL-AES DataProtKey from emulator memory
mfu_dump_t *mfu_header = (mfu_dump_t *) BigBuf_get_EM_addr();
if (ulaes_key0 == NULL) {
return;
}
const mfu_dump_t *mfu_header = (const mfu_dump_t *) BigBuf_get_EM_addr();
memcpy(ulaes_key0, mfu_header->data + (0x33 * 4), 4);
memcpy(ulaes_key0 + 4, mfu_header->data + (0x32 * 4), 4);
memcpy(ulaes_key0 + 8, mfu_header->data + (0x31 * 4), 4);