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fix memory leak issue.

This commit is contained in:
derness 2017-06-07 13:18:11 +08:00
parent df6ad73146
commit c9f0232b74
1 changed files with 21 additions and 10 deletions
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29
lib/ff_syscall_wrapper.c
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@ -721,8 +721,7 @@ ff_accept(int s, struct linux_sockaddr * addr,
{
int rc;
struct file *fp;
struct sockaddr bsdaddr;
struct sockaddr *pf = &bsdaddr;
struct sockaddr *pf = NULL;
socklen_t socklen = sizeof(struct sockaddr);
if ((rc = kern_accept(curthread, s, &pf, &socklen, &fp)))
@ -731,14 +730,19 @@ ff_accept(int s, struct linux_sockaddr * addr,
rc = curthread->td_retval[0];
fdrop(fp, curthread);
if (addr)
if (addr && pf)
freebsd2linux_sockaddr(addr, pf);
if (addrlen)
*addrlen = socklen;
if(pf != NULL)
free(pf, M_SONAME);
return (rc);
kern_fail:
if(pf != NULL)
free(pf, M_SONAME);
ff_os_errno(rc);
return (-1);
}
@ -797,17 +801,21 @@ ff_getpeername(int s, struct linux_sockaddr * name,
socklen_t *namelen)
{
int rc;
struct sockaddr bsdaddr;
struct sockaddr *pf = &bsdaddr;
struct sockaddr *pf = NULL;
if ((rc = kern_getpeername(curthread, s, &pf, namelen)))
goto kern_fail;
if (name)
if (name && pf)
freebsd2linux_sockaddr(name, pf);
if(pf != NULL)
free(pf, M_SONAME);
return (rc);
kern_fail:
if(pf != NULL)
free(pf, M_SONAME);
ff_os_errno(rc);
return (-1);
}
@ -817,18 +825,21 @@ ff_getsockname(int s, struct linux_sockaddr *name,
socklen_t *namelen)
{
int rc;
struct sockaddr bsdaddr;
struct sockaddr *pf = &bsdaddr;
struct sockaddr *pf = NULL;
if ((rc = kern_getsockname(curthread, s, &pf, namelen)))
goto kern_fail;
if (name)
if (name && pf)
freebsd2linux_sockaddr(name, pf);
if(pf != NULL)
free(pf, M_SONAME);
return (rc);
kern_fail:
if(pf != NULL)
free(pf, M_SONAME);
ff_os_errno(rc);
return (-1);
}