[bug] Driver for the Lucent LT Winmodem chipset (comms/ltmdm)

Ivan Radovanovic rivan at sezampro.yu
Wed Aug 23 20:29:55 UTC 2006



-------- Original Message --------
Subject: 	[bug] Driver for the Lucent LT Winmodem chipset
Date: 	Sun, 30 Jul 2006 10:09:51 +0200
From: 	Ivan Radovanovic <rivan at sezampro.yu>
To: 	osa at FreeBSD.org



I have recently found bug in ltmdm driver. Driver crashes whole system 
every time when phone call is received while driver is in memory. Problem is 
in ltmdmsio.c file, trying to read NULL pointer. I fixed this problem, 
in attachment are two diff files:
- patch-sys-dev-ltmdm-ltmdmsio.c - patch file from directory files in 
ltmdm port directory. I have changed this file to include check not to 
read memory from NULL pointer
- ltmdmsio.c.diff - diff after applying change between original 
ltmdmsio.c file, and ltmdmsio.c file I have changed

Best regards,
Ivan

P.S.
I am using FreeBSD 6.1, problem also existed in FreeBSD 5.x


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