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Fix bug where dbmfi is referenced after being freed

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This commit is contained in:
ejurgensen 2014-01-05 22:56:44 +01:00
parent a42377991d
commit 7079e524b6
1 changed files with 21 additions and 26 deletions
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47
src/player.c
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@ -635,14 +635,16 @@ player_queue_make(struct query_params *qp, const char *sort)
}
static int
fetch_first_query_match(const char *query, struct db_media_file_info *dbmfi)
find_first_song_id(const char *query)
{
struct db_media_file_info dbmfi;
struct query_params qp;
uint32_t id;
int id;
int ret;
memset(&qp, 0, sizeof(struct query_params));
/* We only want the id of the first song */
qp.type = Q_ITEMS;
qp.idx_type = I_FIRST;
qp.sort = S_NONE;
@ -664,9 +666,9 @@ fetch_first_query_match(const char *query, struct db_media_file_info *dbmfi)
goto no_query_start;
}
if (((ret = db_query_fetch_file(&qp, dbmfi)) == 0) && (dbmfi->id))
if (((ret = db_query_fetch_file(&qp, &dbmfi)) == 0) && (dbmfi.id))
{
ret = safe_atou32(dbmfi->id, &id);
ret = safe_atoi32(dbmfi.id, &id);
if (ret < 0)
{
DPRINTF(E_LOG, L_PLAYER, "Invalid song id in query result!\n");
@ -674,12 +676,12 @@ fetch_first_query_match(const char *query, struct db_media_file_info *dbmfi)
goto no_result;
}
DPRINTF(E_DBG, L_PLAYER, "Found index song\n");
DPRINTF(E_DBG, L_PLAYER, "Found index song (id %d)\n", id);
ret = 1;
}
else
{
DPRINTF(E_LOG, L_PLAYER, "No song matches query (num %d): %s\n", qp.results, qp.filter);
DPRINTF(E_LOG, L_PLAYER, "No song matches query (results %d): %s\n", qp.results, qp.filter);
goto no_result;
}
@ -690,8 +692,9 @@ fetch_first_query_match(const char *query, struct db_media_file_info *dbmfi)
no_query_start:
if (qp.filter)
free(qp.filter);
if (ret == 1)
return 0;
return id;
else
return -1;
}
@ -701,22 +704,20 @@ fetch_first_query_match(const char *query, struct db_media_file_info *dbmfi)
int
player_queue_make_daap(struct player_source **head, const char *query, const char *queuefilter, const char *sort, int quirk)
{
struct media_file_info *mfi;
struct query_params qp;
struct player_source *ps;
struct db_media_file_info dbmfi;
uint32_t id;
int64_t albumid;
int64_t artistid;
int plid;
int id;
int idx;
int ret;
int len;
char *s;
char buf[1024];
/* If query doesn't give even a single result give up */
ret = fetch_first_query_match(query, &dbmfi);
if (ret < 0)
id = find_first_song_id(query);
if (id < 0)
return -1;
memset(&qp, 0, sizeof(struct query_params));
@ -725,26 +726,19 @@ player_queue_make_daap(struct player_source **head, const char *query, const cha
qp.limit = 0;
qp.sort = S_NONE;
id = 0;
if (quirk && dbmfi.songartistid)
if (quirk)
{
safe_atou32(dbmfi.id, &id);
qp.sort = S_ALBUM;
qp.type = Q_ITEMS;
ret = safe_atoi64(dbmfi.songartistid, &artistid);
if (ret < 0)
{
DPRINTF(E_LOG, L_PLAYER, "User requested song from artist list, but artistid is not a valid number!\n");
return -1;
}
snprintf(buf, sizeof(buf), "f.songartistid = %" PRIi64, artistid);
mfi = db_file_fetch_byid(id);
if (!mfi)
return -1;
snprintf(buf, sizeof(buf), "f.songartistid = %" PRIi64, mfi->songartistid);
free_mfi(mfi, 0);
qp.filter = strdup(buf);
}
else if (queuefilter)
{
safe_atou32(dbmfi.id, &id);
len = strlen(queuefilter);
if ((len > 6) && (strncmp(queuefilter, "album:", 6) == 0))
{
@ -790,6 +784,7 @@ player_queue_make_daap(struct player_source **head, const char *query, const cha
}
else
{
id = 0;
qp.type = Q_ITEMS;
qp.filter = daap_query_parse_sql(query);
}