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(parent: 7a0c869) | patch
libata: be less of a drama queen on empty data commands
authorTejun Heo <tj@kernel.org>
Mon, 23 Aug 2010 09:27:27 +0000 (11:27 +0200)
committerJeff Garzik <jgarzik@redhat.com>
Wed, 25 Aug 2010 23:24:16 +0000 (19:24 -0400)
commit706d89fb9832820021becd8e7f326eddc7738e8d
treedba90f93fab86f1d1cacdd0a9cc4033060713bddtree | snapshot
parent7a0c8692a29c2845d15b87d494cbce94ad22913ecommit | diff
libata: be less of a drama queen on empty data commands

ata_qc_issue() BUG_ON()s on data commands w/o data, which may be
submitted via SG_IO.  Be less of a drama queen and just trigger
WARN_ON_ONCE() and fail the command with AC_ERR_SYSTEM.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Stefan Hübner <stefan.huebner@stud.tu-ilmenau.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/libata-core.c diff | blob | history
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