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nfs/Connection: nfs_get_fd() can return -1

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While reconnecting to the NFS server, the socket is -1, because there
is no socket.  Fixes a potential crash (assertion failure).
This commit is contained in:
Max Kellermann
2014-08-31 19:07:50 +02:00
parent ba8e3f11e2
commit 559a01f585
1 changed files with 3 additions and 0 deletions
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3
src/lib/nfs/Connection.cxx
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@@ -237,6 +237,9 @@ NfsConnection::ScheduleSocket()
if (!SocketMonitor::IsDefined()) { if (!SocketMonitor::IsDefined()) {
int _fd = nfs_get_fd(context); int _fd = nfs_get_fd(context);
if (_fd < 0)
return;
fd_set_cloexec(_fd, true); fd_set_cloexec(_fd, true);
SocketMonitor::Open(_fd); SocketMonitor::Open(_fd);
} }