uart: fix eflags type

1 files changed, 2 insertions, 1 deletions

diff --git a/src/uart.c b/src/uart.c
index 8697874..4023b67 100644
--- a/src/uart.c
+++ b/src/uart.c
@@ -158,7 +158,8 @@ uart_write(uint8_t byte)
 int
 uart_read(uint8_t *byte)
 {
-    int eflags, error;
+    uint32_t eflags;
+    int error;
 
     thread_preempt_disable();
     eflags = cpu_intr_save();