efi: rci2: mark bin_attribute as __ro_after_init

t-8ch · gregkh · commit e965efc4aa14 · 2025-02-21T09:20:32.000+01:00
The attribute is only modified during __init phase. Protect it against accidental or intentional modifications afterwards. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20241122-sysfs-const-bin_attr-rci2-v1-1-3db1ec9aa203@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/firmware/efi/rci2-table.c b/drivers/firmware/efi/rci2-table.c
@@ -40,7 +40,7 @@ static u8 *rci2_base;
 static u32 rci2_table_len;
 unsigned long rci2_table_phys __ro_after_init = EFI_INVALID_TABLE_ADDR;
 
-static BIN_ATTR_SIMPLE_ADMIN_RO(rci2);
+static __ro_after_init BIN_ATTR_SIMPLE_ADMIN_RO(rci2);
 
 static u16 checksum(void)
 {

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ static u8 *rci2_base;`
`40`	`40`	`static u32 rci2_table_len;`
`41`	`41`	`unsigned long rci2_table_phys __ro_after_init = EFI_INVALID_TABLE_ADDR;`
`42`	`42`
`43`		`-static BIN_ATTR_SIMPLE_ADMIN_RO(rci2);`
	`43`	`+static __ro_after_init BIN_ATTR_SIMPLE_ADMIN_RO(rci2);`
`44`	`44`
`45`	`45`	`static u16 checksum(void)`
`46`	`46`	`{`