From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759265AbYGHRC5 (ORCPT ); Tue, 8 Jul 2008 13:02:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756680AbYGHQ6W (ORCPT ); Tue, 8 Jul 2008 12:58:22 -0400 Received: from casper.infradead.org ([85.118.1.10]:38002 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755920AbYGHQ6U (ORCPT ); Tue, 8 Jul 2008 12:58:20 -0400 Date: Tue, 8 Jul 2008 09:53:43 -0700 From: Arjan van de Ven To: Arjan van de Ven Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, mingo@elte.hu Subject: [patch 14/17] Use WARN() in lib/ Message-ID: <20080708095343.1a9a0123@infradead.org> In-Reply-To: <20080708093800.274504ba@infradead.org> References: <20080708093800.274504ba@infradead.org> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Bad-Reply: References and In-Reply-To but no 'Re:' in Subject. X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arjan van de Ven Subject: Use WARN instead of printk+WARN_ON in /lib Use WARN() instead of a printk+WARN_ON() pair; this way the message becomes part of the warning section for better reporting/collection. In addition, one of the if() clauses collapes into the WARN() entirely now. Signed-off-by: Arjan van de Ven --- lib/debugobjects.c | 15 +++++---------- lib/iomap.c | 3 +-- lib/kobject_uevent.c | 6 ++---- lib/plist.c | 13 +++++++------ 4 files changed, 15 insertions(+), 22 deletions(-) Index: linux.trees.git/lib/debugobjects.c =================================================================== --- linux.trees.git.orig/lib/debugobjects.c +++ linux.trees.git/lib/debugobjects.c @@ -205,9 +205,8 @@ static void debug_print_object(struct de if (limit < 5 && obj->descr != descr_test) { limit++; - printk(KERN_ERR "ODEBUG: %s %s object type: %s\n", msg, + WARN(1, KERN_ERR "ODEBUG: %s %s object type: %s\n", msg, obj_states[obj->state], obj->descr->name); - WARN_ON(1); } debug_objects_warnings++; } @@ -735,26 +734,22 @@ check_results(void *addr, enum debug_obj obj = lookup_object(addr, db); if (!obj && state != ODEBUG_STATE_NONE) { - printk(KERN_ERR "ODEBUG: selftest object not found\n"); - WARN_ON(1); + WARN(1, KERN_ERR "ODEBUG: selftest object not found\n"); goto out; } if (obj && obj->state != state) { - printk(KERN_ERR "ODEBUG: selftest wrong state: %d != %d\n", + WARN(1, KERN_ERR "ODEBUG: selftest wrong state: %d != %d\n", obj->state, state); - WARN_ON(1); goto out; } if (fixups != debug_objects_fixups) { - printk(KERN_ERR "ODEBUG: selftest fixups failed %d != %d\n", + WARN(1, KERN_ERR "ODEBUG: selftest fixups failed %d != %d\n", fixups, debug_objects_fixups); - WARN_ON(1); goto out; } if (warnings != debug_objects_warnings) { - printk(KERN_ERR "ODEBUG: selftest warnings failed %d != %d\n", + WARN(1, KERN_ERR "ODEBUG: selftest warnings failed %d != %d\n", warnings, debug_objects_warnings); - WARN_ON(1); goto out; } res = 0; Index: linux.trees.git/lib/iomap.c =================================================================== --- linux.trees.git.orig/lib/iomap.c +++ linux.trees.git/lib/iomap.c @@ -40,8 +40,7 @@ static void bad_io_access(unsigned long static int count = 10; if (count) { count--; - printk(KERN_ERR "Bad IO access at port %#lx (%s)\n", port, access); - WARN_ON(1); + WARN(1, KERN_ERR "Bad IO access at port %#lx (%s)\n", port, access); } } Index: linux.trees.git/lib/kobject_uevent.c =================================================================== --- linux.trees.git.orig/lib/kobject_uevent.c +++ linux.trees.git/lib/kobject_uevent.c @@ -285,8 +285,7 @@ int add_uevent_var(struct kobj_uevent_en int len; if (env->envp_idx >= ARRAY_SIZE(env->envp)) { - printk(KERN_ERR "add_uevent_var: too many keys\n"); - WARN_ON(1); + WARN(1, KERN_ERR "add_uevent_var: too many keys\n"); return -ENOMEM; } @@ -297,8 +296,7 @@ int add_uevent_var(struct kobj_uevent_en va_end(args); if (len >= (sizeof(env->buf) - env->buflen)) { - printk(KERN_ERR "add_uevent_var: buffer size too small\n"); - WARN_ON(1); + WARN(1, KERN_ERR "add_uevent_var: buffer size too small\n"); return -ENOMEM; } Index: linux.trees.git/lib/plist.c =================================================================== --- linux.trees.git.orig/lib/plist.c +++ linux.trees.git/lib/plist.c @@ -31,12 +31,13 @@ static void plist_check_prev_next(struct list_head *t, struct list_head *p, struct list_head *n) { - if (n->prev != p || p->next != n) { - printk("top: %p, n: %p, p: %p\n", t, t->next, t->prev); - printk("prev: %p, n: %p, p: %p\n", p, p->next, p->prev); - printk("next: %p, n: %p, p: %p\n", n, n->next, n->prev); - WARN_ON(1); - } + WARN(n->prev != p || p->next != n, + "top: %p, n: %p, p: %p\n" + "prev: %p, n: %p, p: %p\n" + "next: %p, n: %p, p: %p\n", + t, t->next, t->prev, + p, p->next, p->prev, + n, n->next, n->prev); } static void plist_check_list(struct list_head *top)