[PATCH 1/7] tpm: fix the return code, if the eventlog buffer is full

[Heinrich Schuchardt]

On 22.06.24 16:35, Ilias Apalodimas wrote:
> We currently return 'No space left on device' if the eventlong buffer
> we allocated is not enough. On a similar check later on that function
> during the call to tcg2_log_init() we return 'No buffer space
> available'. So switch both error codes to -ENOBUFS since we are always
> checking a buffer and not a device.
>
> Fixes: commit 97707f12fdab ("tpm: Support boot measurements")
> Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

> ---
>   lib/tpm-v2.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/tpm-v2.c b/lib/tpm-v2.c
> index a67daed2f3c1..91526af33acb 100644
> --- a/lib/tpm-v2.c
> +++ b/lib/tpm-v2.c
> @@ -554,7 +554,7 @@ int tcg2_log_prepare_buffer(struct udevice *dev, struct tcg2_event_log *elog,
>   		if (elog->log_size) {
>   			if (log.found) {
>   				if (elog->log_size < log.log_position)
> -					return -ENOSPC;
> +					return -ENOBUFS;
>
>   				/*
>   				 * Copy the discovered log into the user buffer