From: Colin Ian King colin.king@canonical.com
commit 48c232395431c23d35cf3b4c5a090bd793316578 upstream.
Variable real_size is initialized with a value that is never read, it is re-assigned a new value later on, hence the initialization is redundant and can be removed.
Cleans up clang warning:
lib/test_kasan.c:422:21: warning: Value stored to 'real_size' during its initialization is never read
Link: http://lkml.kernel.org/r/20180206144950.32457-1-colin.king@canonical.com Signed-off-by: Colin Ian King colin.king@canonical.com Acked-by: Andrey Ryabinin aryabinin@virtuozzo.com Reviewed-by: Andrew Morton akpm@linux-foundation.org Cc: Alexander Potapenko glider@google.com Cc: Dmitry Vyukov dvyukov@google.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Andrey Konovalov andreyknvl@google.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- lib/test_kasan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -389,7 +389,7 @@ static noinline void __init kasan_stack_ static noinline void __init ksize_unpoisons_memory(void) { char *ptr; - size_t size = 123, real_size = size; + size_t size = 123, real_size;
pr_info("ksize() unpoisons the whole allocated chunk\n"); ptr = kmalloc(size, GFP_KERNEL);