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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2019-04-27 16:40:25 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2019-05-17 15:19:32 +0200
commit6fa5171f4fb483f9c6b417c4fda3ed21549c4113 (patch)
tree630937fed04feb51c0735abc424ea00bdade9bcf
parent81c48dd79655296f5bf94823e8ac95902a8ac3e4 (diff)
hw/i386/acpi: Assert a pointer is not null BEFORE using it
Commit 72c194f7e75c added a non-null check on the 'obj' pointer. Later, commit 500b11ea5095 added code which uses the 'obj' pointer _before_ the assertion check. Move the assertion _before_ the pointer use. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190427144025.22880-4-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--hw/i386/acpi-build.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 123ff2b816..b4ec14e349 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -186,6 +186,7 @@ static void acpi_get_pm_info(AcpiPmInfo *pm)
pm->pcihp_io_base = 0;
pm->pcihp_io_len = 0;
+ assert(obj);
init_common_fadt_data(obj, &pm->fadt);
if (piix) {
/* w2k requires FADT(rev1) or it won't boot, keep PC compatible */
@@ -204,7 +205,6 @@ static void acpi_get_pm_info(AcpiPmInfo *pm)
pm->fadt.flags |= 1 << ACPI_FADT_F_RESET_REG_SUP;
pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE;
}
- assert(obj);
/* The above need not be conditional on machine type because the reset port
* happens to be the same on PIIX (pc) and ICH9 (q35). */