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replace malloc and memset with calloc

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malloc: allocate a block of memory, the contents of the block are undefined.
calloc: allocate a block of memory for an array of num elements and initializes all its bits to zero.

Signed-off-by: yechunliang <yechunliangcn@163.com>
This commit is contained in:
yechunliang 2018-04-05 18:42:35 +08:00 committed by Jack Ren
parent 78355029ff
commit 85b29e1c28
2 changed files with 2 additions and 4 deletions
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3
arch/x86/vtd.c
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@ -208,9 +208,8 @@ static int register_hrhd_units(void)
} }
for (i = 0; i < info->drhd_count; i++) { for (i = 0; i < info->drhd_count; i++) {
drhd_rt = malloc(sizeof(struct dmar_drhd_rt)); drhd_rt = calloc(1, sizeof(struct dmar_drhd_rt));
ASSERT(drhd_rt != NULL, ""); ASSERT(drhd_rt != NULL, "");
memset(drhd_rt, 0, sizeof(struct dmar_drhd_rt));
drhd_rt->drhd = &info->drhd_units[i]; drhd_rt->drhd = &info->drhd_units[i];
dmar_register_hrhd(drhd_rt); dmar_register_hrhd(drhd_rt);
} }

3
debug/sbuf.c
View File

@ -83,13 +83,12 @@ struct shared_buf *sbuf_allocate(uint32_t ele_num, uint32_t ele_size)
if (!sbuf_allocate_size) if (!sbuf_allocate_size)
return NULL; return NULL;
sbuf = malloc(sbuf_allocate_size); sbuf = calloc(1, sbuf_allocate_size);
if (sbuf == NULL) { if (sbuf == NULL) {
pr_err("%s no memory!", __func__); pr_err("%s no memory!", __func__);
return NULL; return NULL;
} }
memset(sbuf, 0, SBUF_HEAD_SIZE);
sbuf->ele_num = ele_num; sbuf->ele_num = ele_num;
sbuf->ele_size = ele_size; sbuf->ele_size = ele_size;
sbuf->size = ele_num * ele_size; sbuf->size = ele_num * ele_size;