yaffs direct: Modify lseek value checking

Signed-off-by: Charles Manning <cdhmanning@gmail.com>

diff --git a/direct/yaffsfs.c b/direct/yaffsfs.c
index a970577cb4b8b9b2b0be56c1db69e4df441094af..f32808d758829d4893a175f753a7a6fd01ea727f 100644 (file)
--- a/direct/yaffsfs.c
+++ b/direct/yaffsfs.c
@@ -1192,10 +1192,12 @@ off_t yaffs_lseek(int fd, off_t offset, int whence)
                                pos = fSize + offset;
                } 
 
-               if(pos >= 0)
+               if(pos >= 0 && pos <= YAFFS_MAX_FILE_SIZE)
                        h->position = pos;
-               else
+               else{
                        yaffsfs_SetError(-EINVAL);
+                       pos = -1;
+               }
        }
 
        yaffsfs_Unlock();