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hv: fix type conversion without cast with explicit conversion

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Implicit conversion may result in loss of information or undefined behaviour.
So make it with explicit conversion.

Tracked-On: #861
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1
2018-12-03 21:20:48 +08:00
committed by wenlingz
parent 79463fd5ce
commit 9bb16bce77
8 changed files with 23 additions and 35 deletions
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8
hypervisor/boot/sbl/multiboot.c
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@@ -79,7 +79,7 @@ static void parse_other_modules(struct acrn_vm *vm,
for (i = 0U; i < mods_count; i++) {
uint32_t type_len;
const char *start = hpa2hva((uint64_t)mods[i].mm_string);
const char *start = (char *)hpa2hva((uint64_t)mods[i].mm_string);
const char *end;
void *mod_addr = hpa2hva((uint64_t)mods[i].mm_mod_start);
uint32_t mod_size = mods[i].mm_mod_end - mods[i].mm_mod_start;
@@ -174,7 +174,7 @@ int init_vm_boot_info(struct acrn_vm *vm)
return -EINVAL;
}
mbi = hpa2hva((uint64_t)boot_regs[1]);
mbi = (struct multiboot_info *)hpa2hva((uint64_t)boot_regs[1]);
dev_dbg(ACRN_DBG_BOOT, "Multiboot detected, flag=0x%x", mbi->mi_flags);
if ((mbi->mi_flags & MULTIBOOT_INFO_HAS_MODS) == 0U) {
@@ -211,7 +211,7 @@ int init_vm_boot_info(struct acrn_vm *vm)
char buf[MAX_BOOT_PARAMS_LEN];
cmd_dst = kernel_cmdline;
cmd_src = hpa2hva((uint64_t)mbi->mi_cmdline);
cmd_src = (char *)hpa2hva((uint64_t)mbi->mi_cmdline);
(void)memset(buf, 0U, sizeof(buf));
/*
@@ -241,7 +241,7 @@ int init_vm_boot_info(struct acrn_vm *vm)
off += 1U;
cmd_dst += off;
cmd_src = hpa2hva((uint64_t)mods[0].mm_string);
cmd_src = (char *)hpa2hva((uint64_t)mods[0].mm_string);
(void)strncpy_s(cmd_dst, MEM_2K - off, cmd_src,
strnlen_s(cmd_src, MEM_2K - off));