From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753930AbbAGQKg (ORCPT ); Wed, 7 Jan 2015 11:10:36 -0500 Received: from mail-wi0-f182.google.com ([209.85.212.182]:38714 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753603AbbAGQKa (ORCPT ); Wed, 7 Jan 2015 11:10:30 -0500 From: Daniel Thompson To: Jason Wessel Cc: Daniel Thompson , linux-kernel@vger.kernel.org, kgdb-bugreport@lists.sourceforge.net, Andrew Morton , Ingo Molnar , patches@linaro.org, linaro-kernel@lists.linaro.org, John Stultz , Sumit Semwal Subject: [RESEND PATCH 3.19-rc2 3/3] kdb: Const qualifier for kdb_getstr's prompt argument Date: Wed, 7 Jan 2015 16:10:14 +0000 Message-Id: <1420647014-4897-4-git-send-email-daniel.thompson@linaro.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1420647014-4897-1-git-send-email-daniel.thompson@linaro.org> References: <1410438579-7839-1-git-send-email-daniel.thompson@linaro.org> <1420647014-4897-1-git-send-email-daniel.thompson@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org All current callers of kdb_getstr() can pass constant pointers via the prompt argument. This patch adds a const qualification to make explicit the fact that this is safe. Signed-off-by: Daniel Thompson --- kernel/debug/kdb/kdb_io.c | 2 +- kernel/debug/kdb/kdb_private.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index 70e0f494d3f8..59a6071139bc 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -439,7 +439,7 @@ poll_again: * substituted for %d, %x or %o in the prompt. */ -char *kdb_getstr(char *buffer, size_t bufsize, char *prompt) +char *kdb_getstr(char *buffer, size_t bufsize, const char *prompt) { if (prompt && kdb_prompt_str != prompt) strncpy(kdb_prompt_str, prompt, CMD_BUFLEN); diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h index 30ed4f3d8606..aa90a6a63e88 100644 --- a/kernel/debug/kdb/kdb_private.h +++ b/kernel/debug/kdb/kdb_private.h @@ -212,7 +212,7 @@ extern void kdb_ps1(const struct task_struct *p); extern void kdb_print_nameval(const char *name, unsigned long val); extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info); extern void kdb_meminfo_proc_show(void); -extern char *kdb_getstr(char *, size_t, char *); +extern char *kdb_getstr(char *, size_t, const char *); extern void kdb_gdb_state_pass(char *buf); /* Defines for kdb_symbol_print */ -- 1.9.3