linux-kernel - [PATCH 2/2] Fix issue with dmesg.py and python 3.X

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Date:	Tue,  3 May 2016 23:12:56 -0400
From:	buzdelabuz2@...il.com
To:	kieran@...uared.org.uk, jan.kiszka@...mens.com
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] Fix issue with dmesg.py and python 3.X

From: Dom Cote <buzdelabuz2+git@...il.com>

Replace the addition (+) of 2 python 'memoryview' objects
with the addition of 2 'bytes' objects, convert the result
back to memoryview.

Tested with python 3.4 and 2.7
Tested with gdb 7.7

Signed-off-by: Dom Cote <buzdelabuz2+git@...il.com>
---
 scripts/gdb/linux/dmesg.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py
index 927d0d2a3145..04d6719067f2 100644
--- a/scripts/gdb/linux/dmesg.py
+++ b/scripts/gdb/linux/dmesg.py
@@ -33,11 +33,12 @@ class LxDmesg(gdb.Command):
         if log_first_idx < log_next_idx:
             log_buf_2nd_half = -1
             length = log_next_idx - log_first_idx
-            log_buf = inf.read_memory(start, length)
+            log_buf = utils.read_memoryview(inf, start, length).tobytes()
         else:
             log_buf_2nd_half = log_buf_len - log_first_idx
-            log_buf = inf.read_memory(start, log_buf_2nd_half) + \
-                inf.read_memory(log_buf_addr, log_next_idx)
+            a = utils.read_memoryview(inf, start, log_buf_2nd_half)
+            b = utils.read_memoryview(inf, log_buf_addr, log_next_idx)
+            log_buf = a.tobytes() + b.tobytes()
 
         pos = 0
         while pos < log_buf.__len__():
-- 
2.8.2