1 files changed, 2 insertions, 10 deletions

diff --git a/src/userprog/syscall.c b/src/userprog/syscall.c
index 3768e79..dc1f067 100644
--- a/src/userprog/syscall.c
+++ b/src/userprog/syscall.c
@@ -42,7 +42,6 @@ open (const char *filename)
 
   struct file *file = filesys_open (filename);
   if (!file) {
-    printf ("[%s] open: couldn't find file %s\n", t->name, filename);
     return -1;
   }
 
@@ -55,7 +54,6 @@ open (const char *filename)
     }
   }
   free (file);
-  printf ("[%s] open: unable to find empty file descriptor\n", t->name);
   return -1;
 }
 
@@ -75,7 +73,6 @@ get_file (struct thread *thread, int fd_i)
   struct fd *fd = get_fd (thread, fd_i);
 
   if (!fd || !fd->active) {
-    printf ("[%s] get_file: invalid file descriptor\n", thread->name);
     return NULL;
   }
 
@@ -113,7 +110,6 @@ read (int fd_i, void *buf, unsigned size)
     return i;
   } else if (fd_i == 1) {
     // can't read from stdout
-    printf ("[%s] read: tried to read from stdout\n", thread->name);
     return -1;
   }
 
@@ -135,7 +131,7 @@ write (int fd_i, const void *buf, unsigned size)
     putbuf ((const char *)buf, size);
     return size;
   } else if (fd_i == 0) {
-    printf ("[%s] write: tried to write to stdin\n", thread->name);
+    // can't write to stdout
     return -1;
   }
 
@@ -153,11 +149,7 @@ close (int fd_i)
   struct thread *thread = thread_current ();
 
   struct fd *fd = get_fd (thread, fd_i);
-  if (!fd) {
-    return;
-  }
-  if (!fd->active) {
-    printf ("[%s] close: tried to close inactive file descriptor %d\n", thread->name, fd_i);
+  if (!fd || !fd->active) {
     return;
   }