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[73.78.62.130]) by smtp.googlemail.com with ESMTPSA id 8926c6da1cb9f-4c210f23f1csm75301173.102.2024.07.16.11.58.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jul 2024 11:58:51 -0700 (PDT) From: Jim Cromie To: linux-kernel@vger.kernel.org, jbaron@akamai.com, gregkh@linuxfoundation.org, daniel.vetter@ffwll.ch, tvrtko.ursulin@linux.intel.com, jani.nikula@intel.com, ville.syrjala@linux.intel.com Cc: ukaszb@chromium.org, linux@rasmusvillemoes.dk, joe@perches.com, mcgrof@kernel.org, seanpaul@chromium.org, robdclark@gmail.com, groeck@google.com, yanivt@google.com, bleung@google.com, linux-doc@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kernelnewbies@kernelnewbies.org, Jim Cromie Subject: [PATCH v9-resend 21/54] dyndbg: split multi-query strings with % Date: Tue, 16 Jul 2024 12:57:33 -0600 Message-ID: <20240716185806.1572048-22-jim.cromie@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240716185806.1572048-1-jim.cromie@gmail.com> References: <20240716185806.1572048-1-jim.cromie@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since commit 85f7f6c0edb8 ("dynamic_debug: process multiple debug-queries on a line") Multi-query commands have been allowed: modprobe drm dyndbg=3D"class DRM_UT_CORE +p; class DRM_UT_KMS +p" modprobe drm dyndbg=3D< [ 203.902703] dyndbg: query parse failed [ 203.902871] dyndbg: processed 2 queries, with 0 matches, 2 errs bash: echo: write error: Invalid argument The '%' splits the input into 2 queries, and both fail. Given the limited utility of matching against the working parts of a format string "foo: %d bar %s", nothing is actually lost here. Signed-off-by: Jim Cromie --- lib/dynamic_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 235d85765b63..dcec7b3657bb 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -596,7 +596,7 @@ static int ddebug_exec_queries(char *query, const char = *modname) int i, errs =3D 0, exitcode =3D 0, rc, nfound =3D 0; =20 for (i =3D 0; query; query =3D split) { - split =3D strpbrk(query, ";\n"); + split =3D strpbrk(query, "%;\n"); if (split) *split++ =3D '\0'; =20 --=20 2.45.2