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[67.165.245.5]) by smtp.googlemail.com with ESMTPSA id 8926c6da1cb9f-4ec1da476fesm1174144173.58.2025.01.24.22.47.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jan 2025 22:47:11 -0800 (PST) From: Jim Cromie To: linux-kernel@vger.kernel.org, jbaron@akamai.com, gregkh@linuxfoundation.org, ukaszb@chromium.org Cc: intel-gfx-trybot@lists.freedesktop.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, daniel.vetter@ffwll.ch, tvrtko.ursulin@linux.intel.com, jani.nikula@intel.com, ville.syrjala@linux.intel.com, Jim Cromie Subject: [PATCH 32/63] dyndbg: split multi-query strings with % Date: Fri, 24 Jan 2025 23:45:46 -0700 Message-ID: <20250125064619.8305-33-jim.cromie@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250125064619.8305-1-jim.cromie@gmail.com> References: <20250125064619.8305-1-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 56e09e878f80..68b5a77c2d79 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -599,7 +599,7 @@ 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 2.48.1