Message ID | 20181123063957.9515-1-kraxel@redhat.com |
---|---|
State | New |
Headers | show |
Series | [v2] audio/hda: fix guest triggerable assert | expand |
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c index 23a2cf6484..33e333cc26 100644 --- a/hw/audio/intel-hda.c +++ b/hw/audio/intel-hda.c @@ -23,6 +23,7 @@ #include "hw/pci/msi.h" #include "qemu/timer.h" #include "qemu/bitops.h" +#include "qemu/log.h" #include "hw/audio/soundhw.h" #include "intel-hda.h" #include "intel-hda-defs.h" @@ -929,6 +930,11 @@ static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32 if (!reg) { return; } + if (!reg->wmask) { + qemu_log_mask(LOG_GUEST_ERROR, "intel-hda: write to r/o reg %s\n", + reg->name); + return; + } if (d->debug) { time_t now = time(NULL);