On Thu, 2015-03-26 at 19:02 +0200, Boaz Harrosh wrote:
> static void pmem_do_bvec(struct pmem_device *pmem, struct page *page,
> unsigned int len, unsigned int off, int rw,
> sector_t sector)
> {
> void *mem = kmap_atomic(page);
> + size_t pmem_off = sector << 9;
> +
> + BUG_ON(pmem_off >= pmem->size);
This check should take 'len' into account so we don't copy off the end of our
PMEM space.
We should also just return -EIO back up to pmem_make_request() and have that
fail the bio, as opposed to doing the drastic BUG_ON.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
