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2015-07-23scsi: Protect against buffer possible overflow in scsi_set_sense_informationSagi Grimberg1-1/+1
Make sure that the input sense buffer has sufficient length to fit the information descriptor (12 additional bytes). Modify scsi_set_sense_information to receive the sense buffer length and adjust its callers scsi target and libata. (Fix patch fuzz in scsi_set_sense_information - nab) Reported-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Cc: Tejun Heo <tj@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-07-23scsi: Move sense handling routines to scsi_commonSagi Grimberg1-0/+5
Sense data handling is also done in the target stack. Hence, move sense handling routines to scsi_common so the target will be able to use them as well. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-06-01Move code that is used both by initiator and target driversBart Van Assche1-0/+64
Move the functions that are used by both the initiator and target subsystems into scsi_common.c/.h. This change will allow to remove the initiator SCSI header include directives from most SCSI target source files in a later patch. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>