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Add error returns in TPM2_IoCb_Zephyr_I2C #467

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Merged
dgarske merged 1 commit into from
Mar 6, 2026
Merged

Add error returns in TPM2_IoCb_Zephyr_I2C #467

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11 changes: 3 additions & 8 deletions hal/tpm_io_zephyr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,7 @@ int TPM2_IoCb_Zephyr_I2C(TPM2_CTX* ctx, int isRead, word32 addr,
{
int ret = 0;
byte* tempBuf = NULL;
(void)userCtx;

if (buf == NULL) {
printf("Buffer passed is NULL");
Expand All @@ -111,11 +112,6 @@ int TPM2_IoCb_Zephyr_I2C(TPM2_CTX* ctx, int isRead, word32 addr,
return -1;
}

if (userCtx == NULL) {
//printf("UserCtx Cannot be NULL\n");
}


/* Init Zephyr I2C Driver */
if (_is_initialized_i2c == 0) {
if (TPM2_I2C_Zephyr_Init() != 0) {
Expand All @@ -129,6 +125,7 @@ int TPM2_IoCb_Zephyr_I2C(TPM2_CTX* ctx, int isRead, word32 addr,
tempBuf = (byte*)XMALLOC(1, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (tempBuf == NULL) {
printf("Failed to allocate temp buffer\n");
return -1;
}

tempBuf[0] = (byte)(addr & 0xFF);
Expand All @@ -143,10 +140,10 @@ int TPM2_IoCb_Zephyr_I2C(TPM2_CTX* ctx, int isRead, word32 addr,
}
else {
// Write operation: Register address + Data

tempBuf = (byte*)XMALLOC(size + 1, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (tempBuf == NULL) {
printf("Failed to allocate temp buffer\n");
return -1;
}

tempBuf[0] = (byte)(addr & 0xFF);
Expand All @@ -167,8 +164,6 @@ int TPM2_IoCb_Zephyr_I2C(TPM2_CTX* ctx, int isRead, word32 addr,
}
}



(void)ctx;
return ret;
}
Expand Down