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Use g_new() & friends where that makes obvious sense

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g_new(T, n) is neater than g_malloc(sizeof(T) * n).  It's also safer,
for two reasons.  One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.

This commit only touches allocations with size arguments of the form
sizeof(T).

Patch created mechanically with:

    $ spatch --in-place --sp-file scripts/coccinelle/use-g_new-etc.cocci \
	     --macro-file scripts/cocci-macro-file.h FILES...

The previous iteration was commit a95942b50c.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220923084254.4173111-1-armbru@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Markus Armbruster 2022-09-23 10:42:54 +02:00 committed by Laurent Vivier
parent 76eb88b12b
commit c5e8d51824
4 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hw/remote/iommu.c
View File

@ -47,7 +47,7 @@ static AddressSpace *remote_iommu_find_add_as(PCIBus *pci_bus,
elem = g_hash_table_lookup(iommu->elem_by_devfn, INT2VOIDP(devfn));
if (!elem) {
elem = g_malloc0(sizeof(RemoteIommuElem));
elem = g_new0(RemoteIommuElem, 1);
g_hash_table_insert(iommu->elem_by_devfn, INT2VOIDP(devfn), elem);
}

2
hw/virtio/virtio-crypto.c
View File

@ -710,7 +710,7 @@ virtio_crypto_handle_asym_req(VirtIOCrypto *vcrypto,
uint8_t *src = NULL;
uint8_t *dst = NULL;
asym_op_info = g_malloc0(sizeof(CryptoDevBackendAsymOpInfo));
asym_op_info = g_new0(CryptoDevBackendAsymOpInfo, 1);
src_len = ldl_le_p(&req->para.src_data_len);
dst_len = ldl_le_p(&req->para.dst_data_len);

4
migration/dirtyrate.c
View File

@ -119,9 +119,9 @@ static DirtyPageRecord *vcpu_dirty_stat_alloc(VcpuStat *stat)
}
stat->nvcpu = nvcpu;
stat->rates = g_malloc0(sizeof(DirtyRateVcpu) * nvcpu);
stat->rates = g_new0(DirtyRateVcpu, nvcpu);
records = g_malloc0(sizeof(DirtyPageRecord) * nvcpu);
records = g_new0(DirtyPageRecord, nvcpu);
return records;
}

4
softmmu/dirtylimit.c
View File

@ -154,7 +154,7 @@ void vcpu_dirty_rate_stat_initialize(void)
vcpu_dirty_rate_stat->stat.nvcpu = max_cpus;
vcpu_dirty_rate_stat->stat.rates =
g_malloc0(sizeof(DirtyRateVcpu) * max_cpus);
g_new0(DirtyRateVcpu, max_cpus);
vcpu_dirty_rate_stat->running = false;
}
@ -198,7 +198,7 @@ void dirtylimit_state_initialize(void)
dirtylimit_state = g_malloc0(sizeof(*dirtylimit_state));
dirtylimit_state->states =
g_malloc0(sizeof(VcpuDirtyLimitState) * max_cpus);
g_new0(VcpuDirtyLimitState, max_cpus);
for (i = 0; i < max_cpus; i++) {
dirtylimit_state->states[i].cpu_index = i;