Fix crash when a variable object being deleted

[deliverable/binutils-gdb.git] / gdb / serial.h

diff --git a/gdb/serial.h b/gdb/serial.h
index 1fc502b670ef0b75b85965925c833a58a971e798..426042999ac4d5307c21fdeb511da97c0d6ffe37 100644 (file)
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -244,7 +244,7 @@ struct serial_ops
        interesting.  */
     void (*async) (struct serial *scb, int async_p);
     /* Perform a low-level read operation, reading (at most) COUNT
-       bytes into SCB->BUF.  */
+       bytes into SCB->BUF.  Return zero at end of file.  */
     int (*read_prim)(struct serial *scb, size_t count);
     /* Perform a low-level write operation, writing (at most) COUNT
        bytes from BUF.  */