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misc: Simplify qemu_prealloc_mem() calls 

Since qemu_prealloc_mem() returns whether or not an error
occured, we don't need to check the @errp pointer. Remove
local_err uses when we can return directly.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-Id: <20231120213301.24349-20-philmd@linaro.org>
master
Philippe Mathieu-Daudé 2023-11-20 15:32:57 +01:00
parent b622ee98bf
commit 9c878ad6fb
2 changed files with 9 additions and 19 deletions
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22
backends/hostmem.c
View File

@ -219,7 +219,6 @@ static bool host_memory_backend_get_prealloc(Object *obj, Error **errp)
static void host_memory_backend_set_prealloc(Object *obj, bool value,
Error **errp)
{
Error *local_err = NULL;
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
if (!backend->reserve && value) {
@ -237,10 +236,8 @@ static void host_memory_backend_set_prealloc(Object *obj, bool value,
void *ptr = memory_region_get_ram_ptr(&backend->mr);
uint64_t sz = memory_region_size(&backend->mr);
qemu_prealloc_mem(fd, ptr, sz, backend->prealloc_threads,
backend->prealloc_context, &local_err);
if (local_err) {
error_propagate(errp, local_err);
if (!qemu_prealloc_mem(fd, ptr, sz, backend->prealloc_threads,
backend->prealloc_context, errp)) {
return;
}
backend->prealloc = true;
@ -398,16 +395,11 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
* This is necessary to guarantee memory is allocated with
* specified NUMA policy in place.
*/
if (backend->prealloc) {
Error *local_err = NULL;
qemu_prealloc_mem(memory_region_get_fd(&backend->mr), ptr, sz,
backend->prealloc_threads,
backend->prealloc_context, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
if (backend->prealloc && !qemu_prealloc_mem(memory_region_get_fd(&backend->mr),
ptr, sz,
backend->prealloc_threads,
backend->prealloc_context, errp)) {
return;
}
}

6
hw/virtio/virtio-mem.c
View File

@ -605,8 +605,7 @@ static int virtio_mem_set_block_state(VirtIOMEM *vmem, uint64_t start_gpa,
int fd = memory_region_get_fd(&vmem->memdev->mr);
Error *local_err = NULL;
qemu_prealloc_mem(fd, area, size, 1, NULL, &local_err);
if (local_err) {
if (!qemu_prealloc_mem(fd, area, size, 1, NULL, &local_err)) {
static bool warned;
/*
@ -1249,8 +1248,7 @@ static int virtio_mem_prealloc_range_cb(VirtIOMEM *vmem, void *arg,
int fd = memory_region_get_fd(&vmem->memdev->mr);
Error *local_err = NULL;
qemu_prealloc_mem(fd, area, size, 1, NULL, &local_err);
if (local_err) {
if (!qemu_prealloc_mem(fd, area, size, 1, NULL, &local_err)) {
error_report_err(local_err);
return -ENOMEM;
}