[PATCH 2/2] Cygwin: path_conv::check: handle error from fhandler_process::exists

Ken Brown kbrown@cornell.edu
Tue Sep 8 16:50:48 GMT 2020


fhandler_process::exists is called when we are checking a path
starting with "/proc/<pid>/fd".  If it returns virt_none and sets an
errno, there is no need for further checking.  Just set 'error' and
return.
---
 winsup/cygwin/path.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index 95faf8ca7..092261939 100644
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -809,6 +809,12 @@ path_conv::check (const char *src, unsigned opt,
 			  delete fh;
 			  goto retry_fs_via_processfd;
 			}
+		      else if (file_type == virt_none && dev == FH_PROCESSFD)
+			{
+			  error = get_errno ();
+			  if (error)
+			    return;
+			}
 		      delete fh;
 		    }
 		  switch (file_type)
-- 
2.28.0



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