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[24.9.77.57]) by smtp.googlemail.com with ESMTPSA id t10sm405096ils.36.2021.05.11.11.51.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 May 2021 11:51:27 -0700 (PDT) From: Jim Cromie To: Jason Baron , linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, Jim Cromie Subject: [RFC PATCH v5 08/28] dyndbg: accept null site in ddebug_change Date: Tue, 11 May 2021 12:50:37 -0600 Message-Id: <20210511185057.3815777-9-jim.cromie@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210511185057.3815777-1-jim.cromie@gmail.com> References: <20210511185057.3815777-1-jim.cromie@gmail.com> MIME-Version: 1.0 Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b="a5o/kgEG"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf02.hostedemail.com: domain of jimcromie@gmail.com designates 209.85.166.174 as permitted sender) smtp.mailfrom=jimcromie@gmail.com X-Stat-Signature: dbshysomxryksxrntro6b5k5uznyg9mz X-Rspamd-Queue-Id: A12A540002C0 X-Rspamd-Server: rspam02 Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf02; identity=mailfrom; envelope-from=""; helo=mail-il1-f174.google.com; client-ip=209.85.166.174 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620759054-107135 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: fix a debug-print that includes site info, by adding an alternate debug message that does not. no functional changes. Signed-off-by: Jim Cromie --- lib/dynamic_debug.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 0896c681db40..fa89d69dad4e 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -235,10 +235,17 @@ static int ddebug_change(const struct ddebug_query *query, static_branch_enable(&dp->key.dd_key_true); #endif dp->flags = newflags; - v2pr_info("changed %s:%d [%s]%s =%s\n", - trim_prefix(dc->filename), dp->lineno, - dt->mod_name, dc->function, - ddebug_describe_flags(dp->flags, &fbuf)); + + if (dc) + v2pr_info("changed %s:%d [%s]%s =%s\n", + trim_prefix(dc->filename), dp->lineno, + dt->mod_name, dc->function, + ddebug_describe_flags(dp->flags, &fbuf)); + else + v2pr_info("changed %s:%d =%s \"%s\"\n", + dt->mod_name, dp->lineno, + ddebug_describe_flags(dp->flags, &fbuf), + dp->format); } } mutex_unlock(&ddebug_lock);