commit 56e620c453f2588cfc9898a41b110477f6417a5d
Author: Jack Wang <[email protected]>
Date: Tue Dec 16 15:44:17 2014 +0100
RDMA/cma: fix first byte overwritten for AF_IB
If user attach private data for AF_IB, the first byte will
be overwritten, because we always set the cma version no matter
family is AF_IB, so move the version set inside if condition.
Reported-by: Fabian Holler <[email protected]>
Signed-off-by: Jack Wang <[email protected]>
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d570030..22a22e2 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2618,10 +2618,10 @@ static int cma_format_hdr(void *hdr, struct
rdma_id_private *id_priv)
struct cma_hdr *cma_hdr;
cma_hdr = hdr;
- cma_hdr->cma_version = CMA_VERSION;
if (cma_family(id_priv) == AF_INET) {
struct sockaddr_in *src4, *dst4;
+ cma_hdr->cma_version = CMA_VERSION;
src4 = (struct sockaddr_in *) cma_src_addr(id_priv);
dst4 = (struct sockaddr_in *) cma_dst_addr(id_priv);
@@ -2632,6 +2632,7 @@ static int cma_format_hdr(void *hdr, struct
rdma_id_private *id_priv)
} else if (cma_family(id_priv) == AF_INET6) {
struct sockaddr_in6 *src6, *dst6;
+ cma_hdr->cma_version = CMA_VERSION;
src6 = (struct sockaddr_in6 *) cma_src_addr(id_priv);
dst6 = (struct sockaddr_in6 *) cma_dst_addr(id_priv);
--
Mit freundlichen Grüßen,
Best Regards,
Jack Wang
Linux Kernel Developer Storage
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