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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-09-23 10:58:59 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-10-03 13:11:51 -0400
commit7ae628d9d21a088b4a2d26a9d39c29c0acd2d03b (patch)
tree18df26e44530e372af91a4353b754816195bc74d /drivers/scsi/device_handler
parent650849d71ca05d55a1553fe42fb21af9dce5612b (diff)
[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/device_handler')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_emc.c4
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 2c116754172..8f45570a8a0 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 {
84 /* 84 /*
85 * I/O buffer for both MODE_SELECT and INQUIRY commands. 85 * I/O buffer for both MODE_SELECT and INQUIRY commands.
86 */ 86 */
87 char buffer[CLARIION_BUFFER_SIZE]; 87 unsigned char buffer[CLARIION_BUFFER_SIZE];
88 /* 88 /*
89 * SCSI sense buffer for commands -- assumes serial issuance 89 * SCSI sense buffer for commands -- assumes serial issuance
90 * and completion sequence of all commands for same multipath. 90 * and completion sequence of all commands for same multipath.
@@ -176,7 +176,7 @@ static int parse_sp_info_reply(struct scsi_device *sdev,
176 err = SCSI_DH_DEV_TEMP_BUSY; 176 err = SCSI_DH_DEV_TEMP_BUSY;
177 goto out; 177 goto out;
178 } 178 }
179 if (csdev->buffer[4] < 0 || csdev->buffer[4] > 2) { 179 if (csdev->buffer[4] > 2) {
180 /* Invalid buffer format */ 180 /* Invalid buffer format */
181 sdev_printk(KERN_NOTICE, sdev, 181 sdev_printk(KERN_NOTICE, sdev,
182 "%s: invalid VPD page 0xC0 format\n", 182 "%s: invalid VPD page 0xC0 format\n",