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Fix nfssvc_addsock() to not attempt to free a NULL socket structure

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when returning an error.  Bug fix was extracted from the PR.  The PR
    is not yet entirely resolved by this commit.

PR:		kern/13049
Reviewed by:	Matt Dillon <dillon@freebsd.org>
Submitted by:	Ian Dowse <iedowse@maths.tcd.ie>
This commit is contained in:
Matthew Dillon 1999-11-08 19:10:16 +00:00
parent f506b9af42
commit 6b21e94604
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=53022
3 changed files with 18 additions and 9 deletions
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9
sys/nfs/nfs_syscalls.c
View File

@ -334,14 +334,16 @@ nfssvc_addsock(fp, mynam, p)
if (so->so_proto->pr_protocol == IPPROTO_UDP) {
tslp = nfs_udpsock;
if (tslp->ns_flag & SLP_VALID) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (EPERM);
}
#ifdef ISO
} else if (so->so_proto->pr_protocol == ISOPROTO_CLTP) {
tslp = nfs_cltpsock;
if (tslp->ns_flag & SLP_VALID) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (EPERM);
}
#endif /* ISO */
@ -352,7 +354,8 @@ nfssvc_addsock(fp, mynam, p)
siz = NFS_MAXPACKET;
error = soreserve(so, siz, siz);
if (error) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (error);
}

9
sys/nfsclient/nfs_nfsiod.c
View File

@ -334,14 +334,16 @@ nfssvc_addsock(fp, mynam, p)
if (so->so_proto->pr_protocol == IPPROTO_UDP) {
tslp = nfs_udpsock;
if (tslp->ns_flag & SLP_VALID) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (EPERM);
}
#ifdef ISO
} else if (so->so_proto->pr_protocol == ISOPROTO_CLTP) {
tslp = nfs_cltpsock;
if (tslp->ns_flag & SLP_VALID) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (EPERM);
}
#endif /* ISO */
@ -352,7 +354,8 @@ nfssvc_addsock(fp, mynam, p)
siz = NFS_MAXPACKET;
error = soreserve(so, siz, siz);
if (error) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (error);
}

9
sys/nfsserver/nfs_syscalls.c
View File

@ -334,14 +334,16 @@ nfssvc_addsock(fp, mynam, p)
if (so->so_proto->pr_protocol == IPPROTO_UDP) {
tslp = nfs_udpsock;
if (tslp->ns_flag & SLP_VALID) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (EPERM);
}
#ifdef ISO
} else if (so->so_proto->pr_protocol == ISOPROTO_CLTP) {
tslp = nfs_cltpsock;
if (tslp->ns_flag & SLP_VALID) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (EPERM);
}
#endif /* ISO */
@ -352,7 +354,8 @@ nfssvc_addsock(fp, mynam, p)
siz = NFS_MAXPACKET;
error = soreserve(so, siz, siz);
if (error) {
FREE(mynam, M_SONAME);
if (mynam != NULL)
FREE(mynam, M_SONAME);
return (error);
}