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firmware: dmi: Mark bin_attributes as __ro_after_init 

The attributes are only modified during the __init phase.
Protect them against accidental or intentional modifications afterwards.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20250125-sysfs-const-bin_attr-dmi-v2-1-ece1895936f4@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh 2025-01-25 11:12:14 +01:00 committed by Greg Kroah-Hartman
parent 7de24e20a7
commit 14e694dbf2
1 changed files with 2 additions and 2 deletions
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4
drivers/firmware/dmi_scan.c
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@ -761,8 +761,8 @@ static void __init dmi_scan_machine(void)
pr_info("DMI not present or invalid.\n"); pr_info("DMI not present or invalid.\n");
} }
static BIN_ATTR_SIMPLE_ADMIN_RO(smbios_entry_point); static __ro_after_init BIN_ATTR_SIMPLE_ADMIN_RO(smbios_entry_point);
static BIN_ATTR_SIMPLE_ADMIN_RO(DMI); static __ro_after_init BIN_ATTR_SIMPLE_ADMIN_RO(DMI);
static int __init dmi_init(void) static int __init dmi_init(void)
{ {