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Hurd: fix sendmsg memory leak in error paths

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This commit is contained in:
Emilio Pozuelo Monfort
2010-07-20 19:19:34 -07:00
committed by Roland McGrath
parent 5dbc3b6cc0
commit 23d101d8ee
2 changed files with 14 additions and 2 deletions
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12
sysdeps/mach/hurd/sendmsg.c
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@@ -109,14 +109,22 @@ __libc_sendmsg (int fd, const struct msghdr *message, int flags)
and talk to it with the ifsock protocol. */
file_t file = __file_name_lookup (addr->sun_path, 0, 0);
if (file == MACH_PORT_NULL)
return -1;
{
if (dealloc)
__vm_deallocate (__mach_task_self (), data.addr, len);
return -1;
}
err = __ifsock_getsockaddr (file, &aport);
__mach_port_deallocate (__mach_task_self (), file);
if (err == MIG_BAD_ID || err == EOPNOTSUPP)
/* The file did not grok the ifsock protocol. */
err = ENOTSOCK;
if (err)
return __hurd_fail (err);
{
if (dealloc)
__vm_deallocate (__mach_task_self (), data.addr, len);
return __hurd_fail (err);
}
}
else
err = EIEIO;