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'struct configfs_item_operations' and 'configfs_group_operations' are not modified in this driver. Constifying these structures moves some data to a read-only section, so increases overall security, especially when the structure holds some function pointers. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 7507 6504 64 14075 36fb samples/configfs/configfs_sample.o After: ===== text data bss dec hex filename 7827 6184 64 14075 36fb samples/configfs/configfs_sample.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/70c5fd68fcc4d3ba1f18002012fae19acf4ce50b.1767007414.git.christophe.jaillet@wanadoo.fr Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org> |
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| configfs_sample.c | ||
| Makefile | ||