From: Dan Aloni <[email protected]>
[ Upstream commit c327a310ec4d6ecbea13185ed56c11def441d9ab ]
This was discovered using O_DIRECT at the client side, with small
unaligned file offsets or IOs that span multiple file pages.
Fixes: e248aa7be86 ("svcrdma: Remove max_sge check at connect time")
Signed-off-by: Dan Aloni <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
net/sunrpc/xprtrdma/svc_rdma_sendto.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 38e7c3c8c4a9c..e4f410084c748 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -637,10 +637,11 @@ static int svc_rdma_pull_up_reply_msg(struct svcxprt_rdma
*rdma,
while (remaining) {
len = min_t(u32, PAGE_SIZE - pageoff, remaining);
- memcpy(dst, page_address(*ppages), len);
+ memcpy(dst, page_address(*ppages) + pageoff, len);
remaining -= len;
dst += len;
pageoff = 0;
+ ppages++;
}
}
--
2.25.1
