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hw/sd.c: fix sd_set_cb() crash when bdrv == NULL

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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>
This commit is contained in:
Aurelien Jarno 2011-03-06 20:02:40 +01:00
parent ce0536616d
commit 0d2e91c178
1 changed files with 2 additions and 2 deletions
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4
hw/sd.c
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@ -460,8 +460,8 @@ void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_irq insert)
{
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)