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pvcalls-front: properly allocate sk

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Don't use kzalloc: it ends up leaving sk->sk_prot not properly
initialized. Use sk_alloc instead and define our own trivial struct
proto.

Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Stefano Stabellini 2018-12-21 15:06:31 -08:00 committed by Boris Ostrovsky
parent 96283f9a08
commit beee1fbe8f
1 changed files with 7 additions and 1 deletions
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8
drivers/xen/pvcalls-front.c
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@ -31,6 +31,12 @@
#define PVCALLS_NR_RSP_PER_RING __CONST_RING_SIZE(xen_pvcalls, XEN_PAGE_SIZE)
#define PVCALLS_FRONT_MAX_SPIN 5000
static struct proto pvcalls_proto = {
.name = "PVCalls",
.owner = THIS_MODULE,
.obj_size = sizeof(struct sock),
};
struct pvcalls_bedata {
struct xen_pvcalls_front_ring ring;
grant_ref_t ref;
@ -837,7 +843,7 @@ int pvcalls_front_accept(struct socket *sock, struct socket *newsock, int flags)
received:
map2->sock = newsock;
newsock->sk = kzalloc(sizeof(*newsock->sk), GFP_KERNEL);
newsock->sk = sk_alloc(sock_net(sock->sk), PF_INET, GFP_KERNEL, &pvcalls_proto, false);
if (!newsock->sk) {
bedata->rsp[req_id].req_id = PVCALLS_INVALID_ID;
map->passive.inflight_req_id = PVCALLS_INVALID_ID;