Re: Complete report of Null dereference errors in kernel 2.6.17.1
From: Stefan Richter
Date: Sat Jul 29 2006 - 13:48:09 EST
Tom Walter Dillig wrote on 2006-07-25:
[276]
1043, 1051, 1075, 1083, 1091, ... drivers/ieee1394/sbp2.c
Possible null dereference of variable "hi" checked at
(1096:drivers/ieee1394/sbp2.c).
Thanks for the report.
"hi" is guaranteed to be nonzero and valid at these places. The
safeguards are the if clauses in lines 1042, 1050, 1074, 1082, 1090.
Their conditions will evaluate to false if "hi" was NULL. This is
because of the order of how members of struct scsi_id_instance_data are
initialized in sbp2_alloc_device() and sbp2_start_device().
What other potential errors did your checker find in
drivers/ieee1394/sbp2.c?
--
Stefan Richter
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http://arcgraph.de/sr/
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