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scsi: Do not display buffer pointers in scsi_log_send()

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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.

Tested-by: Robert Elliott <elliott@hp.com>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke 2015-01-08 07:43:49 +01:00 • committed by Christoph Hellwig
parent 2dd951ecd5
commit a4a6afb477
1 changed files with 1 additions and 8 deletions
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9
drivers/scsi/scsi.c
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@ -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);
}
}
}
}