[SCSI] esp_scsi: Make cur_residue and tot_residue signed.

Many of the overflow checks test whether the value has
gone negative, and we want to retain such checks.

Reported by Julia Lawall.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h
index d5576d54ce76..9367a88d3974 100644
--- a/drivers/scsi/esp_scsi.h
+++ b/drivers/scsi/esp_scsi.h
@@ -240,9 +240,9 @@ struct esp_cmd_priv {
                 int             num_sg;
         } u;
 
-        unsigned int            cur_residue;
+        int                     cur_residue;
         struct scatterlist      *cur_sg;
-        unsigned int            tot_residue;
+        int                     tot_residue;
 };
 #define ESP_CMD_PRIV(CMD)       ((struct esp_cmd_priv *)(&(CMD)->SCp))