Hi Atul,
On Tuesday 28 of July 2015 09:50:50 Atul Rai wrote:
> While reallocating space to store additional "remote device set" using
> realloc, if realloc() fails, the original block is left untouched but
> reference to that block is lost as NULL is assigned to remote_devices.
> The original block needs to be freed before return.
> ---
> android/client/if-bt.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/android/client/if-bt.c b/android/client/if-bt.c
> index 4723024..c9acf6c 100644
> --- a/android/client/if-bt.c
> +++ b/android/client/if-bt.c
> @@ -118,10 +118,19 @@ void add_remote_device(const bt_bdaddr_t *addr)
>
> /* Realloc space if needed */
> if (remote_devices_cnt >= remote_devices_capacity) {
> + bt_bdaddr_t *tmp;
> +
> remote_devices_capacity *= 2;
> + /*
> + * Save reference to previously allocated memory block so that
> + * it can be freed in case realloc fails.
> + */
> + tmp = remote_devices;
> +
> remote_devices = realloc(remote_devices, sizeof(bt_bdaddr_t) *
> remote_devices_capacity);
> if (remote_devices == NULL) {
> + free(tmp);
> remote_devices_capacity = 0;
> remote_devices_cnt = 0;
> return;
Applied, thanks.
--
BR
Szymon Janc
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