From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: "Steven Rostedt (VMware)" , Andrew Morton , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL for 4.15 029/189] tools lib traceevent: Simplify pointer print logic and fix %pF Date: Mon, 9 Apr 2018 00:17:09 +0000 Message-ID: <20180409001637.162453-29-alexander.levin@microsoft.com> References: <20180409001637.162453-1-alexander.levin@microsoft.com> In-Reply-To: <20180409001637.162453-1-alexander.levin@microsoft.com> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: From: "Steven Rostedt (VMware)" [ Upstream commit 38d70b7ca1769f26c0b79f3c08ff2cc949712b59 ] When processing %pX in pretty_print(), simplify the logic slightly by incrementing the ptr to the format string if isalnum(ptr[1]) is true. This follows the logic a bit more closely to what is in the kernel. Also, this fixes a small bug where %pF was not giving the offset of the function. Signed-off-by: Steven Rostedt Acked-by: Namhyung Kim Cc: Andrew Morton Link: http://lkml.kernel.org/r/20180112004822.260262257@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/lib/traceevent/event-parse.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/even= t-parse.c index 7ce724fc0544..9a17bc27296e 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -4949,21 +4949,22 @@ static void pretty_print(struct trace_seq *s, void = *data, int size, struct event else ls =3D 2; =20 - if (*(ptr+1) =3D=3D 'F' || *(ptr+1) =3D=3D 'f' || - *(ptr+1) =3D=3D 'S' || *(ptr+1) =3D=3D 's') { + if (isalnum(ptr[1])) ptr++; + + if (*ptr =3D=3D 'F' || *ptr =3D=3D 'f' || + *ptr =3D=3D 'S' || *ptr =3D=3D 's') { show_func =3D *ptr; - } else if (*(ptr+1) =3D=3D 'M' || *(ptr+1) =3D=3D 'm') { - print_mac_arg(s, *(ptr+1), data, size, event, arg); - ptr++; + } else if (*ptr =3D=3D 'M' || *ptr =3D=3D 'm') { + print_mac_arg(s, *ptr, data, size, event, arg); arg =3D arg->next; break; - } else if (*(ptr+1) =3D=3D 'I' || *(ptr+1) =3D=3D 'i') { + } else if (*ptr =3D=3D 'I' || *ptr =3D=3D 'i') { int n; =20 - n =3D print_ip_arg(s, ptr+1, data, size, event, arg); + n =3D print_ip_arg(s, ptr, data, size, event, arg); if (n > 0) { - ptr +=3D n; + ptr +=3D n - 1; arg =3D arg->next; break; } --=20 2.15.1