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gendwarfksyms: use preferred form of sizeof for allocation

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The preferred form is to use the variable being allocated to, rather
than explicitly supplying a type name which might become stale.

Also do this for memset.

Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Giuliano Procida <gprocida@google.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Giuliano Procida
2025-07-01 16:19:10 +01:00
committed by Masahiro Yamada
parent 87433e3e06
commit e06aa69de2
6 changed files with 8 additions and 8 deletions
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2
scripts/gendwarfksyms/cache.c
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@@ -15,7 +15,7 @@ void cache_set(struct cache *cache, unsigned long key, int value)
{
struct cache_item *ci;
ci = xmalloc(sizeof(struct cache_item));
ci = xmalloc(sizeof(*ci));
ci->key = key;
ci->value = value;
hash_add(cache->cache, &ci->hash, hash_32(key));

4
scripts/gendwarfksyms/die.c
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@@ -33,7 +33,7 @@ static struct die *create_die(Dwarf_Die *die, enum die_state state)
{
struct die *cd;
cd = xmalloc(sizeof(struct die));
cd = xmalloc(sizeof(*cd));
init_die(cd);
cd->addr = (uintptr_t)die->addr;
@@ -123,7 +123,7 @@ static struct die_fragment *append_item(struct die *cd)
{
struct die_fragment *df;
df = xmalloc(sizeof(struct die_fragment));
df = xmalloc(sizeof(*df));
df->type = FRAGMENT_EMPTY;
list_add_tail(&df->list, &cd->fragments);
return df;

2
scripts/gendwarfksyms/dwarf.c
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@@ -634,7 +634,7 @@ static int get_union_kabi_status(Dwarf_Die *die, Dwarf_Die *placeholder,
* Note that the user of this feature is responsible for ensuring
* that the structure actually remains ABI compatible.
*/
memset(&state.kabi, 0, sizeof(struct kabi_state));
memset(&state.kabi, 0, sizeof(state.kabi));
res = checkp(process_die_container(&state, NULL, die,
check_union_member_kabi_status,

2
scripts/gendwarfksyms/kabi.c
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@@ -228,7 +228,7 @@ void kabi_read_rules(int fd)
if (type == KABI_RULE_TYPE_UNKNOWN)
error("unsupported kABI rule type: '%s'", field);
rule = xmalloc(sizeof(struct rule));
rule = xmalloc(sizeof(*rule));
rule->type = type;
rule->target = xstrdup(get_rule_field(&rule_str, &left));

2
scripts/gendwarfksyms/symbols.c
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@@ -146,7 +146,7 @@ void symbol_read_exports(FILE *file)
continue;
}
sym = xcalloc(1, sizeof(struct symbol));
sym = xcalloc(1, sizeof(*sym));
sym->name = name;
sym->addr.section = SHN_UNDEF;
sym->state = SYMBOL_UNPROCESSED;

4
scripts/gendwarfksyms/types.c
View File

@@ -43,7 +43,7 @@ static int type_list_append(struct list_head *list, const char *s, void *owned)
if (!s)
return 0;
entry = xmalloc(sizeof(struct type_list_entry));
entry = xmalloc(sizeof(*entry));
entry->str = s;
entry->owned = owned;
list_add_tail(&entry->list, list);
@@ -120,7 +120,7 @@ static struct type_expansion *type_map_add(const char *name,
struct type_expansion *e;
if (__type_map_get(name, &e)) {
e = xmalloc(sizeof(struct type_expansion));
e = xmalloc(sizeof(*e));
type_expansion_init(e);
e->name = xstrdup(name);