Kernel: Make syscalls that take a buffer size use ssize_t instead of size_t.

Dealing with the unsigned overflow propagation here just seems unreasonably
error prone. Let's limit ourselves to 2GB buffer sizes instead.

1 files changed, 2 insertions, 2 deletions

diff --git a/Kernel/VirtualConsole.cpp b/Kernel/VirtualConsole.cpp
index 08bebe8624..acaf14686e 100644
--- a/Kernel/VirtualConsole.cpp
+++ b/Kernel/VirtualConsole.cpp
@@ -499,10 +499,10 @@ void VirtualConsole::on_sysconsole_receive(byte ch)
     m_current_attribute = old_attribute;
 }
 
-ssize_t VirtualConsole::on_tty_write(const byte* data, size_t size)
+ssize_t VirtualConsole::on_tty_write(const byte* data, ssize_t size)
 {
     InterruptDisabler disabler;
-    for (size_t i = 0; i < size; ++i)
+    for (ssize_t i = 0; i < size; ++i)
         on_char(data[i]);
     return size;
 }