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cmd: tpm: Fix flush command

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Commit 7690be35de ("lib: tpm: Add command to flush resources") added a command
to flush resources from a TPM.

However, a previous development version was accidentially used to generate the
patch, resulting in a non-functional command.

This patch fixes the flush command.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
mario.six@gdsys.cc 2017-03-20 10:28:29 +01:00 committed by Simon Glass
parent 0f4b2ba176
commit 1c08b210a8
1 changed files with 23 additions and 14 deletions
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37
cmd/tpm.c
View file

@ -691,31 +691,36 @@ static int do_tpm_flush(cmd_tbl_t *cmdtp, int flag, int argc,
{
int type = 0;
if (argc != 2)
if (argc != 3)
return CMD_RET_USAGE;
if (strcasecmp(argv[1], "key"))
if (!strcasecmp(argv[1], "key"))
type = TPM_RT_KEY;
else if (strcasecmp(argv[1], "auth"))
else if (!strcasecmp(argv[1], "auth"))
type = TPM_RT_AUTH;
else if (strcasecmp(argv[1], "hash"))
else if (!strcasecmp(argv[1], "hash"))
type = TPM_RT_HASH;
else if (strcasecmp(argv[1], "trans"))
else if (!strcasecmp(argv[1], "trans"))
type = TPM_RT_TRANS;
else if (strcasecmp(argv[1], "context"))
else if (!strcasecmp(argv[1], "context"))
type = TPM_RT_CONTEXT;
else if (strcasecmp(argv[1], "counter"))
else if (!strcasecmp(argv[1], "counter"))
type = TPM_RT_COUNTER;
else if (strcasecmp(argv[1], "delegate"))
else if (!strcasecmp(argv[1], "delegate"))
type = TPM_RT_DELEGATE;
else if (strcasecmp(argv[1], "daa_tpm"))
else if (!strcasecmp(argv[1], "daa_tpm"))
type = TPM_RT_DAA_TPM;
else if (strcasecmp(argv[1], "daa_v0"))
else if (!strcasecmp(argv[1], "daa_v0"))
type = TPM_RT_DAA_V0;
else if (strcasecmp(argv[1], "daa_v1"))
else if (!strcasecmp(argv[1], "daa_v1"))
type = TPM_RT_DAA_V1;
if (strcasecmp(argv[2], "all")) {
if (!type) {
printf("Resource type %s unknown.\n", argv[1]);
return -1;
}
if (!strcasecmp(argv[2], "all")) {
uint16_t res_count;
uint8_t buf[288];
uint8_t *ptr;
@ -725,8 +730,10 @@ static int do_tpm_flush(cmd_tbl_t *cmdtp, int flag, int argc,
/* fetch list of already loaded resources in the TPM */
err = tpm_get_capability(TPM_CAP_HANDLE, type, buf,
sizeof(buf));
if (err)
if (err) {
printf("tpm_get_capability returned error %d.\n", err);
return -1;
}
res_count = get_unaligned_be16(buf);
ptr = buf + 2;
for (i = 0; i < res_count; ++i, ptr += 4)
@ -734,8 +741,10 @@ static int do_tpm_flush(cmd_tbl_t *cmdtp, int flag, int argc,
} else {
uint32_t handle = simple_strtoul(argv[2], NULL, 0);
if (!handle)
if (!handle) {
printf("Illegal resource handle %s\n", argv[2]);
return -1;
}
tpm_flush_specific(cpu_to_be32(handle), type);
}