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Subject[PATCH 4.4 089/104] kconfig: fix file name and line number of warn_ignored_character()
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 77c1c0fa8b1477c5799bdad65026ea5ff676da44 ]

Currently, warn_ignore_character() displays invalid file name and
line number.

The lexer should use current_file->name and yylineno, while the parser
should use zconf_curname() and zconf_lineno().

This difference comes from that the lexer is always going ahead
of the parser. The parser needs to look ahead one token to make a
shift/reduce decision, so the lexer is requested to scan more text
from the input file.

This commit fixes the warning message from warn_ignored_character().

[Test Code]

----(Kconfig begin)----
/
-----(Kconfig end)-----

[Output]

Before the fix:

<none>:0:warning: ignoring unsupported character '/'

After the fix:

Kconfig:1:warning: ignoring unsupported character '/'

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
scripts/kconfig/zconf.l | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index c410d257da06..6534dc5ac803 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -71,7 +71,7 @@ static void warn_ignored_character(char chr)
{
fprintf(stderr,
"%s:%d:warning: ignoring unsupported character '%c'\n",
- zconf_curname(), zconf_lineno(), chr);
+ current_file->name, yylineno, chr);
}
%}

--
2.19.1


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