Author: sbruno
Date: Sun Apr 28 20:46:32 2013
New Revision: 250031
URL: http://svnweb.freebsd.org/changeset/base/250031
Log:
The controller does not zero this data structure, ever.
Zero it out here so we do not misinterpret the data error.
Obtained from: Yahoo! Inc.
MFC after: 2 weeks
Modified:
head/sys/dev/ciss/ciss.c
Modified: head/sys/dev/ciss/ciss.c
==============================================================================
--- head/sys/dev/ciss/ciss.c Sun Apr 28 19:38:59 2013 (r250030)
+++ head/sys/dev/ciss/ciss.c Sun Apr 28 20:46:32 2013 (r250031)
@@ -2487,6 +2487,7 @@ ciss_preen_command(struct ciss_request *
cc->header.sg_total = 0;
cc->header.host_tag = cr->cr_tag << 2;
cc->header.host_tag_zeroes = 0;
+ bzero(&(cc->sg[0]), CISS_COMMAND_ALLOC_SIZE - sizeof(struct ciss_command));
cmdphys = cr->cr_ccphys;
cc->error_info.error_info_address = cmdphys + sizeof(struct ciss_command);
cc->error_info.error_info_length = CISS_COMMAND_ALLOC_SIZE - sizeof(struct
ciss_command);
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