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hw/onenand: reject read-only drives

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Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
This commit is contained in:
Juha Riihimäki 2011-10-20 14:53:35 +02:00 committed by Andrzej Zaborowski
parent 3fc3abf7ec
commit a3efecb847
1 changed files with 5 additions and 0 deletions
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5
hw/onenand.c
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@ -26,6 +26,7 @@
#include "memory.h"
#include "exec-memory.h"
#include "sysbus.h"
#include "qemu-error.h"
/* 11 for 2kB-page OneNAND ("2nd generation") and 10 for 1kB-page chips */
#define PAGE_SHIFT 11
@ -772,6 +773,10 @@ static int onenand_initfn(SysBusDevice *dev)
s->image = memset(g_malloc(size + (size >> 5)),
0xff, size + (size >> 5));
} else {
if (bdrv_is_read_only(s->bdrv)) {
error_report("Can't use a read-only drive");
return -1;
}
s->bdrv_cur = s->bdrv;
}
s->otp = memset(g_malloc((64 + 2) << PAGE_SHIFT),