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gcc: check cv pointer when needed

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As 'cv' was already dereferenced, check for NULL with do {} while();
loop.
This commit is contained in:
Zdenek Kabelac 2024-06-13 23:06:09 +02:00
parent a98beb8ee3
commit 64ccbc4b52
2 changed files with 4 additions and 6 deletions
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5
lib/format_text/flags.c
View File

@ -192,7 +192,7 @@ int read_flags(uint64_t *status, enum pv_vg_lv_e type, int mask, const struct dm
if (cv->type == DM_CFG_EMPTY_ARRAY)
goto out;
while (cv) {
do {
if (cv->type != DM_CFG_STRING) {
log_error("Status value is not a string.");
return 0;
@ -228,8 +228,7 @@ int read_flags(uint64_t *status, enum pv_vg_lv_e type, int mask, const struct dm
return 0;
}
cv = cv->next;
}
} while ((cv = cv->next));
out:
*status |= s;

5
lib/format_text/import_vsn1.c
View File

@ -159,7 +159,7 @@ static int _read_str_list(struct dm_pool *mem, struct dm_list *list, const struc
if (cv->type == DM_CFG_EMPTY_ARRAY)
return 1;
while (cv) {
do {
if (cv->type != DM_CFG_STRING) {
log_error("Found an item that is not a string");
return 0;
@ -168,8 +168,7 @@ static int _read_str_list(struct dm_pool *mem, struct dm_list *list, const struc
if (!str_list_add(mem, list, dm_pool_strdup(mem, cv->v.str)))
return_0;
cv = cv->next;
}
} while ((cv = cv->next));
return 1;
}