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[73.78.62.130]) by smtp.googlemail.com with ESMTPSA id y16-20020a056602165000b007de9f92dc57sm2325105iow.16.2024.04.29.12.39.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Apr 2024 12:39:30 -0700 (PDT) From: Jim Cromie To: jbaron@akamai.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: ukaszb@chromium.org, linux-doc@vger.kernel.org, daniel.vetter@ffwll.ch, tvrtko.ursulin@linux.intel.com, jani.nikula@intel.com, ville.syrjala@linux.intel.com, seanpaul@chromium.org, robdclark@gmail.com, groeck@google.com, yanivt@google.com, bleung@google.com, Jim Cromie Subject: [PATCH v8 23/35] dyndbg: split multi-query strings with % Date: Mon, 29 Apr 2024 13:39:09 -0600 Message-ID: <20240429193921.66648-4-jim.cromie@gmail.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240429193921.66648-1-jim.cromie@gmail.com> References: <20240429193921.66648-1-jim.cromie@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Tue, 30 Apr 2024 07:26:58 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Multi-query strings have long allowed: modprobe drm dyndbg="class DRM_UT_CORE +p; class DRM_UT_KMS +p" modprobe drm dyndbg=< [ 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 c1bc728cb050..625838bd74aa 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 = 0, exitcode = 0, rc, nfound = 0; for (i = 0; query; query = split) { - split = strpbrk(query, ";\n"); + split = strpbrk(query, "%;\n"); if (split) *split++ = '\0'; -- 2.44.0