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authorMark Brown <broonie@kernel.org>2018-10-01 12:13:41 +0100
committerMark Brown <broonie@kernel.org>2018-10-01 12:13:41 +0100
commitc6ee9e74b237b01d0a4988de41acbf569fdb8974 (patch)
tree6bfbda84d65410c342e756f710833a261086c5f6 /drivers/infiniband/core/cma.c
parentf4150b38acaa292e9efa1e0d82a3d8bdfdbec658 (diff)
parent9c6cd3f3a4b8194e82fa927bc00028c7a505e3b3 (diff)
Merge tag 'v4.4.159' into linux-linaro-lsk-v4.4lsk-v4.4-18.09
This is the 4.4.159 stable release # gpg: Signature made Sat 29 Sep 2018 11:08:56 BST # gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E # gpg: Good signature from "Greg Kroah-Hartman <gregkh@linuxfoundation.org>" [unknown] # gpg: aka "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" [unknown] # gpg: aka "Greg Kroah-Hartman <gregkh@kernel.org>" [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r--drivers/infiniband/core/cma.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 0f42411d6a79..1454290078de 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -544,6 +544,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
dgid = (union ib_gid *) &addr->sib_addr;
pkey = ntohs(addr->sib_pkey);
+ mutex_lock(&lock);
list_for_each_entry(cur_dev, &dev_list, list) {
for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
if (!rdma_cap_af_ib(cur_dev->device, p))
@@ -567,18 +568,19 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
cma_dev = cur_dev;
sgid = gid;
id_priv->id.port_num = p;
+ goto found;
}
}
}
}
-
- if (!cma_dev)
- return -ENODEV;
+ mutex_unlock(&lock);
+ return -ENODEV;
found:
cma_attach_to_dev(id_priv, cma_dev);
- addr = (struct sockaddr_ib *) cma_src_addr(id_priv);
- memcpy(&addr->sib_addr, &sgid, sizeof sgid);
+ mutex_unlock(&lock);
+ addr = (struct sockaddr_ib *)cma_src_addr(id_priv);
+ memcpy(&addr->sib_addr, &sgid, sizeof(sgid));
cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr);
return 0;
}