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net: check Getsockname error return 

Reviewed-on: https://go-review.googlesource.com/64550

From-SVN: r253231
This commit is contained in:
Ian Lance Taylor 2017-09-27 14:22:36 +00:00
parent b55c7343f0
commit 509b9b7ae0
2 changed files with 9 additions and 3 deletions
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2
gcc/go/gofrontend/MERGE
View File

@ -1,4 +1,4 @@
e0c1f0b645b12a544b484c0f477f8fb6f5980550
cdf1f58c7578980e1d1949680c7e404961b7c153
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.

10
libgo/go/net/sock_posix.go
View File

@ -182,7 +182,10 @@ func (fd *netFD) listenStream(laddr sockaddr, backlog int) error {
if err := fd.init(); err != nil {
return err
}
lsa, _ := syscall.Getsockname(fd.pfd.Sysfd)
lsa, err := syscall.Getsockname(fd.pfd.Sysfd)
if err != nil {
return os.NewSyscallError("getsockname", err)
}
fd.setAddr(fd.addrFunc()(lsa), nil)
return nil
}
@ -221,7 +224,10 @@ func (fd *netFD) listenDatagram(laddr sockaddr) error {
if err := fd.init(); err != nil {
return err
}
lsa, _ := syscall.Getsockname(fd.pfd.Sysfd)
lsa, err := syscall.Getsockname(fd.pfd.Sysfd)
if err != nil {
return os.NewSyscallError("getsockname", err)
}
fd.setAddr(fd.addrFunc()(lsa), nil)
return nil
}