hw/sd.c: fix sd_set_cb() crash when bdrv == NULL
sd_set_cb() calls bdrv_is_read_only() and bdrv_is_inserted() even if
no block driver is associated with the card reader.
This patch fixes the issues by not setting the irq in this case, this
fixes ARM versatile crash.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/hw/sd.c b/hw/sd.c
index 5e29752..f44a970 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -460,8 +460,8 @@
{
sd->readonly_cb = readonly;
sd->inserted_cb = insert;
- qemu_set_irq(readonly, bdrv_is_read_only(sd->bdrv));
- qemu_set_irq(insert, bdrv_is_inserted(sd->bdrv));
+ qemu_set_irq(readonly, sd->bdrv ? bdrv_is_read_only(sd->bdrv) : 0);
+ qemu_set_irq(insert, sd->bdrv ? bdrv_is_inserted(sd->bdrv) : 0);
}
static void sd_erase(SDState *sd)
