GOSTSec/sgminer
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Fix memory leak with share submission on GPU work structures as discovered by twobitcoins.

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This commit is contained in:
Con Kolivas 2013-03-09 15:12:41 +11:00
parent eb4030fc52
commit 5412323e26
3 changed files with 9 additions and 7 deletions
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2
cgminer.c
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@ -3466,7 +3466,7 @@ void switch_pools(struct pool *selected)
}
static void discard_work(struct work *work)
void discard_work(struct work *work)
{
if (!work->clone && !work->rolls && !work->mined) {
if (work->pool)

13
findnonce.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2011-2012 Con Kolivas
* Copyright 2011-2013 Con Kolivas
* Copyright 2011 Nils Schneider
*
* This program is free software; you can redistribute it and/or modify it
@ -173,7 +173,7 @@ void precalc_hash(dev_blk_ctx *blk, uint32_t *state, uint32_t *data)
struct pc_data {
struct thr_info *thr;
struct work work;
struct work *work;
uint32_t res[MAXBUFFERS];
pthread_t pth;
int found;
@ -182,10 +182,10 @@ struct pc_data {
static void send_scrypt_nonce(struct pc_data *pcd, uint32_t nonce)
{
struct thr_info *thr = pcd->thr;
struct work *work = &pcd->work;
struct work *work = pcd->work;
if (scrypt_test(work->data, work->target, nonce))
submit_nonce(thr, &pcd->work, nonce);
submit_nonce(thr, work, nonce);
else {
applog(LOG_INFO, "Scrypt error, review settings");
thr->cgpu->hw_errors++;
@ -217,9 +217,10 @@ static void *postcalc_hash(void *userdata)
if (opt_scrypt)
send_scrypt_nonce(pcd, nonce);
else
submit_nonce(thr, &pcd->work, nonce);
submit_nonce(thr, pcd->work, nonce);
}
discard_work(pcd->work);
free(pcd);
return NULL;
@ -234,7 +235,7 @@ void postcalc_hash_async(struct thr_info *thr, struct work *work, uint32_t *res)
}
pcd->thr = thr;
memcpy(&pcd->work, work, sizeof(struct work));
pcd->work = copy_work(work);
memcpy(&pcd->res, res, BUFFERSIZE);
if (pthread_create(&pcd->pth, NULL, postcalc_hash, (void *)pcd)) {

1
miner.h
View File

@ -1119,6 +1119,7 @@ extern int curses_int(const char *query);
extern char *curses_input(const char *query);
extern void kill_work(void);
extern void switch_pools(struct pool *selected);
extern void discard_work(struct work *work);
extern void remove_pool(struct pool *pool);
extern void write_config(FILE *fcfg);
extern void zero_bestshare(void);