If the kernel is compiled with VMIMAGE support, the first attempt of

mounting smbfs share will cause a panic. Fix setting setting/restoring
vnet context when needed.

PR:		kern/168077
Submitted by:	dteske
This commit is contained in:
Davide Italiano 2013-05-04 16:55:48 +00:00
parent cd5810229d
commit 90e19ee8be

View File

@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
#include <net/if.h>
#include <net/route.h>
#include <net/vnet.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
@ -79,13 +80,17 @@ static int
nb_setsockopt_int(struct socket *so, int level, int name, int val)
{
struct sockopt sopt;
int error;
bzero(&sopt, sizeof(sopt));
sopt.sopt_level = level;
sopt.sopt_name = name;
sopt.sopt_val = &val;
sopt.sopt_valsize = sizeof(val);
return sosetopt(so, &sopt);
CURVNET_SET(so->so_vnet);
error = sosetopt(so, &sopt);
CURVNET_RESTORE();
return error;
}
static int
@ -299,8 +304,10 @@ nbssn_recvhdr(struct nbpcb *nbp, int *lenp,
auio.uio_offset = 0;
auio.uio_resid = sizeof(len);
auio.uio_td = td;
CURVNET_SET(so->so_vnet);
error = soreceive(so, (struct sockaddr **)NULL, &auio,
(struct mbuf **)NULL, (struct mbuf **)NULL, &flags);
CURVNET_RESTORE();
if (error)
return error;
if (auio.uio_resid > 0) {
@ -384,8 +391,10 @@ nbssn_recv(struct nbpcb *nbp, struct mbuf **mpp, int *lenp,
*/
do {
rcvflg = MSG_WAITALL;
CURVNET_SET(so->so_vnet);
error = soreceive(so, (struct sockaddr **)NULL,
&auio, &tm, (struct mbuf **)NULL, &rcvflg);
CURVNET_RESTORE();
} while (error == EWOULDBLOCK || error == EINTR ||
error == ERESTART);
if (error)