提交 a4a6afb4 编写于 作者: H Hannes Reinecke 提交者: Christoph Hellwig

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.
Tested-by: NRobert Elliott <elliott@hp.com>
Reviewed-by: NRobert Elliott <elliott@hp.com>
Signed-off-by: NHannes Reinecke <hare@suse.de>
Signed-off-by: NChristoph Hellwig <hch@lst.de>
上级 2dd951ec
......@@ -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);
}
}
}
}
......
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