On 64bit arches the file covering the whole address space is larger than what can be represented in the loff_t type (s64) used for the file size. Thus the size of this device is interpreted as negative in a lot of places. Fix this by truncating the size to fit the file size type. Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> --- commands/mem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/commands/mem.c b/commands/mem.c index eb91ade05a88..cdd7a492d0d5 100644 --- a/commands/mem.c +++ b/commands/mem.c @@ -96,7 +96,8 @@ static int mem_probe(struct device_d *dev) dev->priv = cdev; cdev->name = (char*)dev->resource[0].name; - cdev->size = (unsigned long)resource_size(&dev->resource[0]); + cdev->size = min(resource_size(&dev->resource[0]), + (unsigned long long)S64_MAX); cdev->ops = &memops; cdev->dev = dev; -- 2.19.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
