提交 29e79e0f 编写于 作者: D Dan Carpenter 提交者: Martin K. Petersen

scsi: atp870u: 64 bit bug in atp885_init()

On 64 bit CPUs there is a memory corruption bug on probe().  It should
be a u32 pointer instead of an unsigned long pointer or we write past
the end of the setupdata[] array.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: NHannes Reinecke <hare@suse.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
上级 e75fba9c
......@@ -1413,11 +1413,11 @@ static void atp885_init(struct Scsi_Host *shpnt)
atpdev->global_map[m] = 0;
for (k = 0; k < 4; k++) {
atp_writew_base(atpdev, 0x3c, n++);
((unsigned long *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38);
((u32 *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38);
}
for (k = 0; k < 4; k++) {
atp_writew_base(atpdev, 0x3c, n++);
((unsigned long *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38);
((u32 *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38);
}
n += 8;
}
......
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