| Subject | [PATCH 14 of 53] ipath - forbid empty MRs | Date | Fri, 12 May 2006 16:42:59 -0700 | From | Bryan O'Sullivan <> |
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Don't allow zero-length regions to be created.
Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>
diff -r 02a05b853d20 -r 5d9fbba3222e drivers/infiniband/hw/ipath/ipath_mr.c --- a/drivers/infiniband/hw/ipath/ipath_mr.c Fri May 12 15:55:28 2006 -0700 +++ b/drivers/infiniband/hw/ipath/ipath_mr.c Fri May 12 15:55:28 2006 -0700 @@ -168,6 +168,11 @@ struct ib_mr *ipath_reg_user_mr(struct i struct ib_umem_chunk *chunk; int n, m, i; struct ib_mr *ret; + + if (region->length == 0) { + ret = ERR_PTR(-EINVAL); + goto bail; + } n = 0; list_for_each_entry(chunk, ®ion->chunk_list, list) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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