replace GFP_KERNEL with GFP_ATOMIC, as code while holding a spinlock
should be atomic
GFP_KERNEL may sleep and can cause deadlock, where as GFP_ATOMIC may
fail but certainly avoids deadlock
Signed-off-by: Saurabh Sengar <saurabh.tr...@gmail.com>
---
drivers/infiniband/core/sa_query.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/sa_query.c
b/drivers/infiniband/core/sa_query.c
index 8c014b3..cd1f911 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -526,7 +526,7 @@ static int ib_nl_send_msg(struct ib_sa_query *query)
if (len <= 0)
return -EMSGSIZE;
- skb = nlmsg_new(len, GFP_KERNEL);
+ skb = nlmsg_new(len, GFP_ATOMIC);
if (!skb)
return -ENOMEM;
@@ -544,7 +544,7 @@ static int ib_nl_send_msg(struct ib_sa_query *query)
/* Repair the nlmsg header length */
nlmsg_end(skb, nlh);
- ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_LS, GFP_KERNEL);
+ ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_LS, GFP_ATOMIC);
if (!ret)
ret = len;
else
--
1.9.1
--
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