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dm: fix add check for malloc result

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Add check for malloc result to madt pointer.

Tracked-On: #6769
Signed-off-by: Yuanyuan Zhao <yuanyuan.zhao@linux.intel.com>
This commit is contained in:
Yuanyuan Zhao 2021-11-18 09:44:17 +08:00 committed by wenlingz
parent 6db72de473
commit a69bd56c05
1 changed files with 5 additions and 0 deletions
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5
devicemodel/hw/platform/acpi/acpi_parser.c
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@ -117,6 +117,11 @@ int parse_madt(void)
} }
madt = (struct acpi_table_madt *)malloc(file_state.st_size); madt = (struct acpi_table_madt *)malloc(file_state.st_size);
if (madt == NULL) {
pr_err("Failed to malloc %d bytes for MADT!\n", file_state.st_size);
close(fd);
return -1;
}
size = read(fd, madt, file_state.st_size); size = read(fd, madt, file_state.st_size);
if (size == file_state.st_size) { if (size == file_state.st_size) {
ret = local_parse_madt(madt); ret = local_parse_madt(madt);