From 2a904e5dd9b832fe70d86b70ce6e273d67e94389 Mon Sep 17 00:00:00 2001 From: Rob Evers Date: Tue, 16 Dec 2014 11:01:19 -0500 Subject: [PATCH] scsi: use set/get_unaligned_be32 in report_luns Signed-off-by: Rob Evers Reviewed-by: Ewan D. Milne Signed-off-by: Christoph Hellwig --- drivers/scsi/scsi_scan.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 9edae2f3e879..b7948d20c23b 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -1367,7 +1368,6 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, unsigned int retries; int result; struct scsi_lun *lunp, *lun_data; - u8 *data; struct scsi_sense_hdr sshdr; struct scsi_device *sdev; struct Scsi_Host *shost = dev_to_shost(&starget->dev); @@ -1433,10 +1433,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, /* * bytes 6 - 9: length of the command. */ - scsi_cmd[6] = (unsigned char) (length >> 24) & 0xff; - scsi_cmd[7] = (unsigned char) (length >> 16) & 0xff; - scsi_cmd[8] = (unsigned char) (length >> 8) & 0xff; - scsi_cmd[9] = (unsigned char) length & 0xff; + put_unaligned_be32(length, &scsi_cmd[6]); scsi_cmd[10] = 0; /* reserved */ scsi_cmd[11] = 0; /* control */ @@ -1484,9 +1481,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, /* * Get the length from the first four bytes of lun_data. */ - data = (u8 *) lun_data->scsi_lun; - length = ((data[0] << 24) | (data[1] << 16) | - (data[2] << 8) | (data[3] << 0)); + length = get_unaligned_be32(lun_data->scsi_lun); num_luns = (length / sizeof(struct scsi_lun)); if (num_luns > max_scsi_report_luns) { -- GitLab