Don't close -1 fd in fuse_chan_destroy()

Valgrind warns on close(-1).  So don't do this (happens if fuse_chan_clearfd()
was called on the channel).

diff --git a/lib/fuse_lowlevel.c b/lib/fuse_lowlevel.c
index c88b4a74589ac0dfab439010589f1014cf84a479..0f1c3d3f8c63ab96a1b93ff7711dc0bf3e71140b 100755 (executable)
--- a/lib/fuse_lowlevel.c
+++ b/lib/fuse_lowlevel.c
@@ -224,7 +224,9 @@ static int fuse_chan_send(struct fuse_chan *ch, const struct iovec iov[],
 
 void fuse_chan_close(struct fuse_chan *ch)
 {
-       close(fuse_chan_fd(ch));
+       int fd = fuse_chan_fd(ch);
+       if (fd != -1)
+               close(fd);
 }