[PATCH] acpica: handle realloc failures in fwts_acpica_vprintf()

[Alex Hung]

On 03/09/2012 08:59 AM, Colin King wrote:
> From: Colin Ian King<colin.king at canonical.com>
>
> Signed-off-by: Colin Ian King<colin.king at canonical.com>
> ---
>   src/acpica/fwts_acpica.c |   10 ++++++++--
>   1 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/src/acpica/fwts_acpica.c b/src/acpica/fwts_acpica.c
> index 096683a..609dc8f 100644
> --- a/src/acpica/fwts_acpica.c
> +++ b/src/acpica/fwts_acpica.c
> @@ -277,11 +277,17 @@ void fwts_acpica_vprintf(const char *fmt, va_list args)
>   	if (buffer_len == 0) {
>   		buffer_len = tmp_len + 1;
>   		buffer = malloc(buffer_len);
> -		strcpy(buffer, tmp);
> +		if (buffer)
> +			strcpy(buffer, tmp);
> +		else
> +			buffer_len = 0;
>   	} else {
>   		buffer_len += tmp_len;
>   		buffer = realloc(buffer, buffer_len);
> -		strcat(buffer, tmp);
> +		if (buffer)
> +			strcat(buffer, tmp);
> +		else
> +			buffer_len = 0;
>   	}
>   	
>   	if (index(buffer, '\n') != NULL) {
Acked-by: Alex Hung <alex.hung at canonical.com>