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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-01-29 14:32:38 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-02-16 13:56:08 +0100 |
| commit | 41514c0a77346da43994bc98f43c34f95cf2e0d3 (patch) | |
| tree | 47a9c5f3614dda3fc58da1fa3fef5243c5c332dc | |
| parent | deac624f221bf8000c19e138547832ac0144c610 (diff) | |
| download | focaccia-qemu-41514c0a77346da43994bc98f43c34f95cf2e0d3.tar.gz focaccia-qemu-41514c0a77346da43994bc98f43c34f95cf2e0d3.zip | |
isa-superio: validate floppy.count value
Ensure that the value is valid; it can only be zero or one. And never create a floppy disk controller if it is zero. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | hw/isa/isa-superio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c index 7dbfc374da..e06a548c68 100644 --- a/hw/isa/isa-superio.c +++ b/hw/isa/isa-superio.c @@ -116,7 +116,9 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) } /* Floppy disc */ - if (!k->floppy.is_enabled || k->floppy.is_enabled(sio, 0)) { + assert(k->floppy.count <= 1); + if (k->floppy.count && + (!k->floppy.is_enabled || k->floppy.is_enabled(sio, 0))) { isa = isa_new(TYPE_ISA_FDC); d = DEVICE(isa); if (k->floppy.get_iobase) { |