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| author |   Stefano Stabellini <sstabellini@kernel.org> | 2018-12-21 15:06:31 -0800 |
|---|---|---|
| committer |   Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2019-01-02 11:00:23 -0500 |
| commit | beee1fbe8f7d57d6ebaa5188f9f4db89c2077196 (patch) | |
| tree | 8fca50ab70e005ed0f2eefeafd6770fd6ac0e000 /drivers/xen/pvcalls-front.c | |
| parent | pvcalls-front: don't try to free unallocated rings (diff) | |
| download | linux-dev-beee1fbe8f7d57d6ebaa5188f9f4db89c2077196.tar.xz linux-dev-beee1fbe8f7d57d6ebaa5188f9f4db89c2077196.zip | |
pvcalls-front: properly allocate sk
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>
Diffstat (limited to 'drivers/xen/pvcalls-front.c')
| -rw-r--r-- | drivers/xen/pvcalls-front.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 4f3d664b3f39..01588582ae66 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -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; |