From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758711Ab3E1Vnt (ORCPT ); Tue, 28 May 2013 17:43:49 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:59505 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757018Ab3E1VVV (ORCPT ); Tue, 28 May 2013 17:21:21 -0400 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Benjamin Poirier , "Yann E. MORIN" , Kamal Mostafa Subject: [PATCH 06/78] menuconfig: Fix memory leak introduced by jump keys feature Date: Tue, 28 May 2013 14:19:15 -0700 Message-Id: <1369776027-17859-7-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1369776027-17859-1-git-send-email-kamal@canonical.com> References: <1369776027-17859-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.8.13.1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Benjamin Poirier commit edb749f4390b3c1604233dc7c4fb0361f472e712 upstream. Fixes the memory leak of struct jump_key allocated in get_prompt_str() Signed-off-by: Benjamin Poirier Tested-by: "Yann E. MORIN" Reviewed-by: "Yann E. MORIN" Signed-off-by: "Yann E. MORIN" [ kamal: backport to 3.8 ] Signed-off-by: Kamal Mostafa --- scripts/kconfig/list.h | 13 +++++++++++++ scripts/kconfig/mconf.c | 3 +++ 2 files changed, 16 insertions(+) diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h index 0ae730b..b87206c 100644 --- a/scripts/kconfig/list.h +++ b/scripts/kconfig/list.h @@ -51,6 +51,19 @@ struct list_head { pos = list_entry(pos->member.next, typeof(*pos), member)) /** + * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry + * @pos: the type * to use as a loop cursor. + * @n: another type * to use as temporary storage + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry_safe(pos, n, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + n = list_entry(pos->member.next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = n, n = list_entry(n->member.next, typeof(*n), member)) + +/** * list_empty - tests whether a list is empty * @head: the list to test. */ diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index 53975cf..07afe0b 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -383,6 +383,7 @@ again: .targets = targets, .keys = keys, }; + struct jump_key *pos, *tmp; res = get_relations_str(sym_arr, &head); dres = show_textbox_ext(_("Search Results"), (char *) @@ -396,6 +397,8 @@ again: again = true; } str_free(&res); + list_for_each_entry_safe(pos, tmp, &head, entries) + free(pos); } while (again); free(sym_arr); } -- 1.8.1.2