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Subject[PATCH] sunrpc: verbs: Avoid 1kb stack
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16 * 64 is a bit much.
Use kmalloc_array instead.

Signed-off-by: Joe Perches <joe@perches.com>
---
net/sunrpc/xprtrdma/verbs.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 745973b..9cfebb4 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1736,8 +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];
int len, i, rc = 0;
+ struct ib_phys_buf *ipb = kmalloc_array(RPCRDMA_MAX_DATA_SEGS,
+ sizeof(*ipb),
+ GFP_KERNEL);
+
+ if (!ipb)
+ return -ENOMEM;

if (*nsegs > RPCRDMA_MAX_DATA_SEGS)
*nsegs = RPCRDMA_MAX_DATA_SEGS;
@@ -1770,6 +1775,9 @@ rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg,
seg1->mr_len = len;
}
*nsegs = i;
+
+ kfree(ipb);
+
return rc;
}




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