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authorIlias Tsitsimpis <iliastsi@arrikto.com>2015-04-23 21:30:07 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2015-05-31 08:41:46 +0300
commitb32bd0a8ee6a19f9b70aa4fcb9bfc802b105ce05 (patch)
tree3ceefffefa02fb894ced4310a56f2d204a67b2d4 /Documentation/target
parent9736f4ad7c6dd79eea36c7fb537a27bbd802582a (diff)
downloadlinux-b32bd0a8ee6a19f9b70aa4fcb9bfc802b105ce05.tar.xz
target/transport: Always initialize bidi fields in se_cmd
Fields t_bidi_data_sg and t_bidi_data_nents are set only in the presence of BIDI commands. This means that the underlying code (for example TCMU) cannot inspect them when the SCSI command is not a BIDI one. Ensure the code always initializes these fields with the given values, even when the SCSI command is not a BIDI one. Set t_bidi_data_sg to sgl_bidi (which should be NULL for non-BIDI commands) and t_bidi_data_nents to sgl_bidi_count (which should be 0 for non-BIDI commands). This allows the underlying code to use these fields unconditionally. Signed-off-by: Ilias Tsitsimpis <iliastsi@arrikto.com> Signed-off-by: Vangelis Koukis <vkoukis@arrikto.com> Reviewed-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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