Change in coreboot[master]: util/lint: Show an error if a symbol is created in two choic...

[Martin Roth (Code Review)]

Martin Roth has submitted this change and it was merged. ( https://review.coreboot.org/18970 )

Change subject: util/lint: Show an error if a symbol is created in two choice blocks
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util/lint: Show an error if a symbol is created in two choice blocks

Kconfig shows a warning about this, but we want to catch it earlier
and halt the build.

Change-Id: I0acce1d40a6ca2b212c638bdb1ec65de5bd4d726
Signed-off-by: Martin Roth 
Reviewed-on: https://review.coreboot.org/18970
Tested-by: build bot (Jenkins)
Reviewed-by: Subrata Banik 
Reviewed-by: Patrick Georgi 
Reviewed-by: Paul Menzel 
---
M util/lint/kconfig_lint
M util/lint/kconfig_lint_README
2 files changed, 6 insertions(+), 1 deletion(-)

Approvals:
  Subrata Banik: Looks good to me, approved
  Paul Menzel: Looks good to me, but someone else must approve
  build bot (Jenkins): Verified
  Patrick Georgi: Looks good to me, approved

diff --git a/util/lint/kconfig_lint b/util/lint/kconfig_lint
index bbf3e38..c9ccfb9 100755
--- a/util/lint/kconfig_lint
+++ b/util/lint/kconfig_lint
@@ -788,6 +788,10 @@
             show_error( "$symbol entry at $filename:$line_no has already been created outside a choice block "
                   . "at $symbols{$symbol}{0}{file}:$symbols{$symbol}{0}{line_no}." );
         }
+        elsif ( $inside_choice && $symbols{$symbol}{choice} ) {
+            show_error( "$symbol entry at $filename:$line_no has already been created inside another choice block "
+                  . "at $symbols{$symbol}{0}{file}:$symbols{$symbol}{0}{line_no}." );
+        }
     }

# add the location of this instance
diff --git a/util/lint/kconfig_lint_README b/util/lint/kconfig_lint_README
index c36320e..5bd2bdd 100644
--- a/util/lint/kconfig_lint_README
+++ b/util/lint/kconfig_lint_README
@@ -68,7 +68,8 @@
 - Choice block defined with no symbols.
 - The 'tristate' type is not used in coreboot.
 - A 'select' keyword used outside of a config block.
-- Symbols created both inside and outside of a choice block.
+- Symbols created both inside and outside of a choice block or in two
+  different choice blocks.
 - A 'range' keyword has higher minimum than maximum value.
 - A config block with a prompt at the top level (the top level is currently
   just for menus).