Thread (5 messages) 5 messages, 4 authors, 2012-02-02

Re: [PATCH] device: Fix segmentation fault removing devices

From: Anderson Lizardo <hidden>
Date: 2012-01-31 16:23:04

Hi Santiago,

On Tue, Jan 31, 2012 at 11:59 AM, Santiago Carot-Nemesio
[off-list ref] wrote:
There is an unbalanced control regarding to the GATT channel and its
attachid, we have to to update the attach id value by setting it to
zero whenever we detach a GATT channel.
Can you detail how to reproduce the segfault? I want to test on my own setup.

Thanks
quoted hunk ↗ jump to hunk
---
 src/device.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/src/device.c b/src/device.c
index c19acd4..9f749b7 100644
--- a/src/device.c
+++ b/src/device.c
@@ -1734,6 +1734,7 @@ static void attrib_disconnected(gpointer user_data)
       attrib_channel_detach(device->attrib, device->attachid);
       g_attrib_unref(device->attrib);
       device->attrib = NULL;
+       device->attachid = 0;

       if (device->auto_connect == FALSE)
               return;
@@ -1781,6 +1782,7 @@ static void primary_cb(GSList *services, guint8 status, gpointer user_data)
       if (device->attios == NULL && device->attios_offline == NULL) {
               attrib_channel_detach(device->attrib, device->attachid);
+               device->attachid = 0;
               g_attrib_unref(device->attrib);
               device->attrib = NULL;
       } else
@@ -2854,7 +2856,7 @@ gboolean btd_device_remove_attio_callback(struct btd_device *device, guint id)
       if (device->attios != NULL || device->attios_offline != NULL)
               return TRUE;

-       if (device->attachid) {
+       if (device->attachid > 0) {
               attrib_channel_detach(device->attrib, device->attachid);
               device->attachid = 0;
       }
--
1.7.9

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-- 
Anderson Lizardo
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil
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