From ecc42fbe952fa4aae88c2413e21912b1d665fb93 Mon Sep 17 00:00:00 2001 From: Fabian Frederick Date: Wed, 4 Jun 2014 16:06:35 -0700 Subject: [PATCH] mm/slub.c: convert vnsprintf-static to va_format Inspired by Joe Perches suggestion in ntfs logging clean-up. Signed-off-by: Fabian Frederick Acked-by: Christoph Lameter Cc: Joe Perches Cc: Pekka Enberg Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/slub.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 1594b14e2597..de99d500af6c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -578,28 +578,30 @@ static void print_page_info(struct page *page) static void slab_bug(struct kmem_cache *s, char *fmt, ...) { + struct va_format vaf; va_list args; - char buf[100]; va_start(args, fmt); - vsnprintf(buf, sizeof(buf), fmt, args); - va_end(args); + vaf.fmt = fmt; + vaf.va = &args; pr_err("=============================================================================\n"); - pr_err("BUG %s (%s): %s\n", s->name, print_tainted(), buf); + pr_err("BUG %s (%s): %pV\n", s->name, print_tainted(), &vaf); pr_err("-----------------------------------------------------------------------------\n\n"); add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE); + va_end(args); } static void slab_fix(struct kmem_cache *s, char *fmt, ...) { + struct va_format vaf; va_list args; - char buf[100]; va_start(args, fmt); - vsnprintf(buf, sizeof(buf), fmt, args); + vaf.fmt = fmt; + vaf.va = &args; + pr_err("FIX %s: %pV\n", s->name, &vaf); va_end(args); - pr_err("FIX %s: %s\n", s->name, buf); } static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p) -- 2.20.1