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kconfig: fix file name in warnings when loading KCONFIG_DEFCONFIG_LIST 

[ Upstream commit a314f52a0210730d0d556de76bb7388e76d4597d ]

Most 'make *config' commands use .config as the base configuration file.

When .config does not exist, Kconfig tries to load a file listed in
KCONFIG_DEFCONFIG_LIST instead.

However, since commit b75b0a819a ("kconfig: change defconfig_list
option to environment variable"), warning messages have displayed an
incorrect file name in such cases.

Below is a demonstration using Debian Trixie. While loading
/boot/config-6.12.9-amd64, the warning messages incorrectly show .config
as the file name.

With this commit, the correct file name is displayed in warnings.

[Before]

  $ rm -f .config
  $ make config
  #
  # using defaults found in /boot/config-6.12.9-amd64
  #
  .config:6804:warning: symbol value 'm' invalid for FB_BACKLIGHT
  .config:9895:warning: symbol value 'm' invalid for ANDROID_BINDER_IPC

[After]

  $ rm -f .config
  $ make config
  #
  # using defaults found in /boot/config-6.12.9-amd64
  #
  /boot/config-6.12.9-amd64:6804:warning: symbol value 'm' invalid for FB_BACKLIGHT
  /boot/config-6.12.9-amd64:9895:warning: symbol value 'm' invalid for ANDROID_BINDER_IPC

Fixes: b75b0a819a ("kconfig: change defconfig_list option to environment variable")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Masahiro Yamada 2025-01-20 16:59:14 +09:00 committed by Greg Kroah-Hartman
parent 089d1c188a
commit 13dc6f1692
1 changed files with 4 additions and 2 deletions
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6
scripts/kconfig/confdata.c
View File

@ -386,10 +386,12 @@ int conf_read_simple(const char *name, int def)
*p = '\0';
in = zconf_fopen(env);
name = env;
in = zconf_fopen(name);
if (in) {
conf_message("using defaults found in %s",
env);
name);
goto load;
}