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Subject[PATCH net-next] xprtrdma: rpcrdma_register_default_external: Silence frame size warning
Date
net/sunrpc/xprtrdma/verbs.c: In function 'rpcrdma_register_default_external':
net/sunrpc/xprtrdma/verbs.c:1774:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]

gcc version 4.8.2, x86_64-linux-gnu

Cc: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
---
net/sunrpc/xprtrdma/verbs.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 93726560..8130349 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1736,9 +1736,13 @@ rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg,
int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE :
IB_ACCESS_REMOTE_READ);
struct rpcrdma_mr_seg *seg1 = seg;
- struct ib_phys_buf ipb[RPCRDMA_MAX_DATA_SEGS];
+ struct ib_phys_buf *ipb;
int len, i, rc = 0;

+ ipb = kmalloc(sizeof(*ipb) * RPCRDMA_MAX_DATA_SEGS, GFP_ATOMIC);
+ if (!ipb)
+ return -ENOMEM;
+
if (*nsegs > RPCRDMA_MAX_DATA_SEGS)
*nsegs = RPCRDMA_MAX_DATA_SEGS;
for (len = 0, i = 0; i < *nsegs;) {
@@ -1770,6 +1774,8 @@ rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg,
seg1->mr_len = len;
}
*nsegs = i;
+
+ kfree(ipb);
return rc;
}

--
1.7.9.5


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