1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 1e82c69b36b0..6c4319c98fee 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -340,7 +340,7 @@ int aac_get_containers(struct aac_dev *dev)
 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
 {
         void *buf;
-        unsigned int transfer_len;
+        int transfer_len;
         struct scatterlist *sg = scsicmd->request_buffer;
 
         if (scsicmd->use_sg) {
@@ -351,7 +351,7 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne
                 transfer_len = min(scsicmd->request_bufflen, len + offset);
         }
         transfer_len -= offset;
-        if (buf && transfer_len)
+        if (buf && transfer_len > 0)
                 memcpy(buf + offset, data, transfer_len);
 
         if (scsicmd->use_sg)