From ce1d6110485ea4ff621ae9b9346becb27a47665c Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel@rtems.org>
Date: Thu, 6 Nov 2025 10:00:21 -0600
Subject: [PATCH] cpukit/posix/src/mmap.c: Correct comparisons of different
 signedness

The GCC warning -Wsign-compare flagged these instances of comparing
signed and unsigned types. A common pair was size_t and int.
---
 cpukit/posix/src/mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpukit/posix/src/mmap.c b/cpukit/posix/src/mmap.c
index 91d7780ea8..8f4915b6a6 100644
--- a/cpukit/posix/src/mmap.c
+++ b/cpukit/posix/src/mmap.c
@@ -286,7 +286,7 @@ void *mmap(
        */
       r = read( fildes, mapping->addr, len );
 
-      if ( r != len ) {
+      if ( r != (ssize_t) len ) {
         mmap_mappings_lock_release( );
         if ( !map_fixed ) {
           free( mapping->addr );