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authorJuha Riihimäki <juha.riihimaki@nokia.com>2011-10-20 14:53:35 +0200
committerAndrzej Zaborowski <andrew.zaborowski@intel.com>2011-11-14 03:22:30 +0100
commita3efecb847dd89886f7cd3f71661b2d79ec68072 (patch)
treee659c79a727713c97aef7a084ca786b619618dbd /hw
parent3fc3abf7ecc5b27fa4f6014b44101072134ea0e4 (diff)
hw/onenand: reject read-only drives
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/onenand.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/onenand.c b/hw/onenand.c
index 6f68f70698..7898da9321 100644
--- a/hw/onenand.c
+++ b/hw/onenand.c
@@ -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),