From c458a7f5aeaf9f5ce0c72d97b21e0eec2b9b145a Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 1 Jan 2023 13:52:24 +0100
Subject: procfs: Fix checking underrun

---
 procfs/netfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/procfs/netfs.c b/procfs/netfs.c
index f68435d4..20238386 100644
--- a/procfs/netfs.c
+++ b/procfs/netfs.c
@@ -87,11 +87,11 @@ error_t netfs_attempt_read (struct iouser *cred, struct node *np,
 
   contents += offset;
   contents_len -= offset;
+  if (contents_len < 0)
+    contents_len = 0;
 
   if (*len > contents_len)
     *len = contents_len;
-  if (*len < 0)
-    *len = 0;
 
   memcpy (data, contents, *len);
   return 0;
-- 
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