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platform/x86: lg-laptop: fix %s null argument warning

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W=1 warns about null argument to kprintf:
warning: ‘%s’ directive argument is null [-Wformat-overflow=]
pr_info("product: %s  year: %d\n", product, year);

Use "unknown" instead of NULL.

Signed-off-by: Gergo Koteles <soyer@irl.hu>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: https://lore.kernel.org/r/33d40e976f08f82b9227d0ecae38c787fcc0c0b2.1712154684.git.soyer@irl.hu
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Gergo Koteles 2024-04-03 16:34:27 +02:00 committed by Ilpo Järvinen
parent 434e5781d8
commit e71c848169
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1 changed files with 1 additions and 1 deletions
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drivers/platform/x86/lg-laptop.c
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@ -736,7 +736,7 @@ static int acpi_add(struct acpi_device *device)
default: default:
year = 2019; year = 2019;
} }
pr_info("product: %s year: %d\n", product, year); pr_info("product: %s year: %d\n", product ?: "unknown", year);
if (year >= 2019) if (year >= 2019)
battery_limit_use_wmbb = 1; battery_limit_use_wmbb = 1;