patch-1.3.86 linux/mm/mmap.c

• Lines: 12
• Date: Wed Apr 10 08:41:08 1996
• Orig file: v1.3.85/linux/mm/mmap.c
• Orig date: Fri Mar 22 14:07:14 1996

diff -u --recursive --new-file v1.3.85/linux/mm/mmap.c linux/mm/mmap.c
@@ -73,6 +73,11 @@
 		case MAP_SHARED:
 			if ((prot & PROT_WRITE) && !(file->f_mode & 2))
 				return -EACCES;
+			/*
+			 * make sure there are no mandatory locks on the file.
+			 */
+			if (locks_verify_locked(file->f_inode))
+				return -EAGAIN;
 			/* fall through */
 		case MAP_PRIVATE:
 			if (!(file->f_mode & 1))