From patchwork Mon Jan 6 16:03:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 13927619 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16BF581728; Mon, 6 Jan 2025 16:03:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736179402; cv=none; b=qMZ74+hyPpv+thGVm+gPBRHKWZKTmr060ZT94IYveE9Dhc5yVeWduL58IWq2dG5bxCZUOrDa7FMA+lO21uxgSJ5K32y9z/F7sZ9tc4gbVj70JG79XCA88U+n2f0xAUgPfAkpjZADjuqabZORBKzo4a8+JVN4bykc174JlrMYD7c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736179402; c=relaxed/simple; bh=Xp283inUBUtGER/ONDEeVETi0jbYmdCMdfd13kiHaEA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=W/M7hOs0HN7N1HEL52fbmf9P7uxiqGzQE/Z63xluh7lD6nfzg3v5m+Vh7VNWkGEkVULMdUgRtJb+ZgqV9ll9y9jjA2zFr4Bh9peZR/tX46RnhYa9ambRwx4Ial7lDY7nWNKYE9iUvZSuEaUbHtRb6vzJfiNSYYVvCmUi7/iuWC4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=P2aY8yev; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="P2aY8yev" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4B10C4CED2; Mon, 6 Jan 2025 16:03:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736179401; bh=Xp283inUBUtGER/ONDEeVETi0jbYmdCMdfd13kiHaEA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P2aY8yev7gqbJDNzb3Nlq8Q6LhVG/5nRAZDvWsVqOUbQKan/fW5ypsbMhaBsNcVkb miWht9zzh9g8ow4hhaHRR6OBNgqGo7Jv99TXF5RIoa/VdB6w+r76zAKUFWlkKRfd19 ckQ5wyTApqIXmaSIfBNQcSYjtcCg83fCkmL1f/c2XHx34q81pPDrlugIqIjjcKo8UA zhBmyM/ACLOQrOO5kntbwaG8yaFJchJ5VzyhCfj1dostxbhhCzsGNvuaLCRUHLpsHM 991VoYrgJx3d1UxJoYPk0F/KTCk2+z6txk+0yAQ2oIR0m66kCofgX/Hy5fEHF179Po bwy69ARQVYvdg== From: "Masami Hiramatsu (Google)" To: Steven Rostedt , Peter Zijlstra Cc: Anil S Keshavamurthy , Masami Hiramatsu , "David S . Miller" , Mathieu Desnoyers , Oleg Nesterov , Tzvetomir Stoyanov , Naveen N Rao , Josh Poimboeuf , Jason Baron , Ard Biesheuvel , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: [PATCH v2 2/7] Provide __free(argv_free) for argv_split() users Date: Tue, 7 Jan 2025 01:03:16 +0900 Message-ID: <173617939641.1366315.14116274334551383402.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <173617937395.1366315.17590944219163017504.stgit@devnote2> References: <173617937395.1366315.17590944219163017504.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Masami Hiramatsu (Google) Provide __free(argv_free) macro for argv_split() users so that they can avoid gotos. Signed-off-by: Masami Hiramatsu (Google) --- Changes in v3: - Rename to __free(argv_free) so that making it clear to call argv_free(). Changes in v2: - Fix to call argv_free() only if the argument is !IS_ERR_OR_NULL(). - Add including cleanup.h. --- include/linux/string.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/string.h b/include/linux/string.h index 493ac4862c77..86d5d352068b 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -4,6 +4,7 @@ #include #include +#include /* for DEFINE_FREE() */ #include /* for inline */ #include /* for size_t */ #include /* for NULL */ @@ -312,6 +313,8 @@ extern void *kmemdup_array(const void *src, size_t count, size_t element_size, g extern char **argv_split(gfp_t gfp, const char *str, int *argcp); extern void argv_free(char **argv); +DEFINE_FREE(argv_free, char **, if (!IS_ERR_OR_NULL(_T)) argv_free(_T)) + /* lib/cmdline.c */ extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints);