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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-09-23 18:58:59 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-03 21:11:51 +0400 |
| commit | 7ae628d9d21a088b4a2d26a9d39c29c0acd2d03b (patch) | |
| tree | 18df26e44530e372af91a4353b754816195bc74d /drivers/scsi | |
| parent | 650849d71ca05d55a1553fe42fb21af9dce5612b (diff) | |
| download | linux-7ae628d9d21a088b4a2d26a9d39c29c0acd2d03b.tar.xz | |
[SCSI] scsi_dh: suppress comparison warning
On Mon, 2008-09-22 at 14:56 -0700, akpm@linux-foundation.org wrote:
> From: Andrew Morton <akpm@linux-foundation.org>
>
> s390:
>
> drivers/scsi/device_handler/scsi_dh_emc.c: In function 'parse_sp_info_reply':
> drivers/scsi/device_handler/scsi_dh_emc.c:179: warning: comparison is always false due to limited range of data type
>
> because chars are unsigned, I assume.
Fix by making csdev->buffer explicitly an unsigned char and dropping
the < 0 test.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_emc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c index 2c1167541726..8f45570a8a01 100644 --- a/drivers/scsi/device_handler/scsi_dh_emc.c +++ b/drivers/scsi/device_handler/scsi_dh_emc.c @@ -84,7 +84,7 @@ struct clariion_dh_data { /* * I/O buffer for both MODE_SELECT and INQUIRY commands. */ - char buffer[CLARIION_BUFFER_SIZE]; + unsigned char buffer[CLARIION_BUFFER_SIZE]; /* * SCSI sense buffer for commands -- assumes serial issuance * and completion sequence of all commands for same multipath. @@ -176,7 +176,7 @@ static int parse_sp_info_reply(struct scsi_device *sdev, err = SCSI_DH_DEV_TEMP_BUSY; goto out; } - if (csdev->buffer[4] < 0 || csdev->buffer[4] > 2) { + if (csdev->buffer[4] > 2) { /* Invalid buffer format */ sdev_printk(KERN_NOTICE, sdev, "%s: invalid VPD page 0xC0 format\n", |