From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Subject: kasan: fix coccinelle warnings in kasan_p*_table kasan_p4d_table(), kasan_pmd_table() and kasan_pud_table() are declared as returning bool, but return 0 instead of false, which produces a coccinelle warning. Fix it. Link: http://lkml.kernel.org/r/1fa6fadf644859e8a6a8ecce258444b49be8c7ee.1551716733.git.andreyknvl@xxxxxxxxxx Fixes: 0207df4fa1a8 ("kernel/memremap, kasan: make ZONE_DEVICE with work with KASAN") Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Reported-by: kbuild test robot <lkp@xxxxxxxxx> Acked-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/kasan/init.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/mm/kasan/init.c~kasan-fix-coccinelle-warnings-in-kasan_p_table +++ a/mm/kasan/init.c @@ -42,7 +42,7 @@ static inline bool kasan_p4d_table(pgd_t #else static inline bool kasan_p4d_table(pgd_t pgd) { - return 0; + return false; } #endif #if CONFIG_PGTABLE_LEVELS > 3 @@ -54,7 +54,7 @@ static inline bool kasan_pud_table(p4d_t #else static inline bool kasan_pud_table(p4d_t p4d) { - return 0; + return false; } #endif #if CONFIG_PGTABLE_LEVELS > 2 @@ -66,7 +66,7 @@ static inline bool kasan_pmd_table(pud_t #else static inline bool kasan_pmd_table(pud_t pud) { - return 0; + return false; } #endif pte_t kasan_early_shadow_pte[PTRS_PER_PTE] __page_aligned_bss; _
