Remove NULL check from tui_reg_command

tui_reg_command has an unnecessary NULL check.  The preceding call to
tui_reg_layout will ensure the window exists.  This patch removes the
check.

gdb/ChangeLog
2019-08-20  Tom Tromey  <tom@tromey.com>

	* tui/tui-regs.c (tui_reg_command): Remove NULL check.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c4a1179..ce64e7a 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 2019-08-20  Tom Tromey  <tom@tromey.com>
 
+       * tui/tui-regs.c (tui_reg_command): Remove NULL check.
+
+2019-08-20  Tom Tromey  <tom@tromey.com>
+
        * tui/tui-source.h (struct tui_source_window): Update.
        * tui/tui-regs.c (tui_show_registers): Update.
        * tui/tui-disasm.h (struct tui_disasm_window): Update.

diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c
index 8fcb7bc..b3c7ce6 100644 (file)
--- a/gdb/tui/tui-regs.c
+++ b/gdb/tui/tui-regs.c
@@ -669,9 +669,7 @@ tui_reg_command (const char *args, int from_tty)
       if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->is_visible ())
        tui_reg_layout ();
 
-      struct reggroup *current_group = NULL;
-      if (TUI_DATA_WIN != NULL)
-       current_group = TUI_DATA_WIN->current_group;
+      struct reggroup *current_group = TUI_DATA_WIN->current_group;
       if (strncmp (args, "next", len) == 0)
        match = tui_reg_next (current_group, gdbarch);
       else if (strncmp (args, "prev", len) == 0)