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incubator-nuttx
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Fix some errno reporting 

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2068 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-09-16 20:27:00 +00:00
parent 6abf781fa1
commit 5b5b170f0f
1 changed files with 25 additions and 22 deletions
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47
net/socket.c
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@ -92,7 +92,7 @@ int socket(int domain, int type, int protocol)
{
FAR struct socket *psock;
int sockfd;
int err;
int err = ENFILE;
/* Only PF_INET or PF_INET6 domains supported */
@ -129,8 +129,7 @@ int socket(int domain, int type, int protocol)
sockfd = sockfd_allocate(0);
if (sockfd < 0)
{
err = ENFILE;
goto errout;
goto errout; /* with err == ENFILE */
}
/* Initialize the socket structure */
@ -152,6 +151,7 @@ int socket(int domain, int type, int protocol)
* not actually be initialized until the socket is connected.
*/
err = ENOMEM; /* Assume failure to allocate connection instance */
switch (type)
{
#ifdef CONFIG_NET_TCP
@ -162,15 +162,17 @@ int socket(int domain, int type, int protocol)
*/
struct uip_conn *conn = uip_tcpalloc();
psock->s_conn = conn;
if (conn)
{
/* Set the reference count on the connection structure. This
* reference count will be increment only if the socket is
* dup'ed
*/
/* Set the reference count on the connection structure. This
* reference count will be increment only if the socket is
* dup'ed
*/
DEBUGASSERT(conn->crefs == 0);
conn->crefs = 1;
DEBUGASSERT(conn->crefs == 0);
psock->s_conn = conn;
conn->crefs = 1;
}
}
break;
#endif
@ -183,15 +185,17 @@ int socket(int domain, int type, int protocol)
*/
struct uip_udp_conn *conn = uip_udpalloc();
psock->s_conn = conn;
if (conn)
{
/* Set the reference count on the connection structure. This
* reference count will be increment only if the socket is
* dup'ed
*/
/* Set the reference count on the connection structure. This
* reference count will be increment only if the socket is
* dup'ed
*/
DEBUGASSERT(conn->crefs == 0);
conn->crefs = 1;
DEBUGASSERT(conn->crefs == 0);
psock->s_conn = conn;
conn->crefs = 1;
}
}
break;
#endif
@ -207,14 +211,13 @@ int socket(int domain, int type, int protocol)
/* Failed to reserve a connection structure */
sockfd_release(sockfd);
err = ENFILE;
goto errout;
goto errout; /* With err == ENFILE or ENOMEM */
}
return sockfd;
errout:
*get_errno_ptr() = err;
errno = err;
return ERROR;
}