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UCM: Fix empty get_list - initialize returned pointer to NULL

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2011-03-19 01:09:41 +01:00
parent 60397387ef
commit f2912f5099
1 changed files with 4 additions and 2 deletions
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6
src/ucm/main.c
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@ -75,8 +75,10 @@ static int alloc_str_list(struct list_head *list, int mult, char **result[])
int cnt; int cnt;
cnt = list_count(list) * mult; cnt = list_count(list) * mult;
if (cnt == 0) if (cnt == 0) {
*result = NULL;
return cnt; return cnt;
}
res = calloc(mult, cnt * sizeof(char *)); res = calloc(mult, cnt * sizeof(char *));
if (res == NULL) if (res == NULL)
return -ENOMEM; return -ENOMEM;
@ -912,8 +914,8 @@ static int get_value_list(snd_use_case_mgr_t *uc_mgr,
goto __fail; goto __fail;
} }
err = alloc_str_list(&mylist, 1, &res); err = alloc_str_list(&mylist, 1, &res);
*list = (const char **)res;
if (err >= 0) { if (err >= 0) {
*list = (const char **)res;
list_for_each(pos, &mylist) { list_for_each(pos, &mylist) {
val = list_entry(pos, struct myvalue, list); val = list_entry(pos, struct myvalue, list);
*res = strdup(val->value); *res = strdup(val->value);