> -----Original Message----- > From: Hannes Reinecke [mailto:hare@xxxxxxx] > Sent: Thursday, 06 November, 2014 2:31 AM > To: James Bottomley > Cc: Christoph Hellwig; Ewan Milne; Elliott, Robert (Server Storage); > linux-scsi@xxxxxxxxxxxxxxx; Hannes Reinecke > Subject: [PATCH 10/10] scsi: Do not display buffer pointers in > scsi_log_send() > > scsi_log_send() would display buffer pointer for higher > logging levels. This is not only of questionable value > but also exposes kernel pointer to userspace, which is > discouraged in some setups. So drop this message > altogether. > > Signed-off-by: Hannes Reinecke <hare@xxxxxxx> > --- > drivers/scsi/scsi.c | 9 +-------- > 1 file changed, 1 insertion(+), 8 deletions(-) > > diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c > index 92d5912..9ec576d 100644 > --- a/drivers/scsi/scsi.c > +++ b/drivers/scsi/scsi.c > @@ -531,7 +531,7 @@ void scsi_log_send(struct scsi_cmnd *cmd) > * > * 3: same as 2 > * > - * 4: same as 3 plus dump extra junk > + * 4: same as 3 > */ > if (unlikely(scsi_logging_level)) { > level = SCSI_LOG_LEVEL(SCSI_LOG_MLQUEUE_SHIFT, > @@ -540,13 +540,6 @@ void scsi_log_send(struct scsi_cmnd *cmd) > scmd_printk(KERN_INFO, cmd, > "Send: scmd 0x%p\n", cmd); > scsi_print_command(cmd); > - if (level > 3) { > - printk(KERN_INFO "buffer = 0x%p, bufflen = > %d," > - " queuecommand 0x%p\n", > - scsi_sglist(cmd), scsi_bufflen(cmd), > - cmd->device->host->hostt- > >queuecommand); > - > - } > } > } > } Reviewed-by: Robert Elliott <elliott@xxxxxx> One more comment on the series: After the tags, there are still a few scmd %p prints left including the one above. Is this series supposed to get rid of the rest of them? drivers/scsi/scsi.c: "Send: scmd 0x%p\n", cmd); drivers/scsi/scsi_error.c: "scmd %p eh timeout, not aborting\n", drivers/scsi/scsi_error.c: "aborting command %p\n", scmd)); drivers/scsi/scsi_error.c: "scmd %p eh timeout, " drivers/scsi/scsi_error.c: "scmd %p retry " drivers/scsi/scsi_error.c: "scmd %p finish " drivers/scsi/scsi_error.c: "scmd %p abort %s\n", scmd, drivers/scsi/scsi_error.c: "scmd %p terminate " drivers/scsi/scsi_error.c: "scmd %p previous abort failed\n", scmd)); drivers/scsi/scsi_error.c: "scmd %p not aborting, host in recovery\n", drivers/scsi/scsi_error.c: "scmd %p abort scheduled\n", scmd)); drivers/scsi/scsi_error.c: "%s scmd: %p result: %x\n", drivers/scsi/scsi_error.c: "%s: scmd: %p, timeleft: %ld\n", drivers/scsi/scsi_error.c: "sense requested for %p result %x\n", drivers/scsi/scsi_error.c: "%s: scmd %p rtn %x\n", __func__, scmd, rtn)); drivers/scsi/scsi_error.c: "%s: flush retry cmd: %p\n", drivers/scsi/scsi_error.c: "%s: flush finish cmd: %p\n", drivers/scsi/scsi_lib.c: "Inserting command %p into mlqueue\n", cmd)); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "%s no slave_alloc function in hostt %p\n", __func__, shost->hostt); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "sdev %p scmd %p sending INQUIRY\n", sdev, scsi_cmd); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "%s sdev %p from lookup_by_target\n", __func__, sdev); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "%s sdev %p from alloc_sdev\n", __func__, sdev); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "%s sdev %p from alloc_sdev\n", __func__, sdev); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "%s sdev %p from lookup_by_target\n", __func__, sdev); drivers/scsi/scsi_scan.c: printk(KERN_WARNING "%s sdev %p from alloc_sdev\n", __func__, sdev); -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
