X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Fimm.c;h=c2a9a13d788f2bb6f68e7c921b71270a5dc6d20b;hb=04489eeb02a40bc15029886cef7285ada3ab0de6;hp=005d2b05f32d2fbbec6dc50b54f0cff850cd2808;hpb=e6f194d8f6f50da6837af637b2fd839c34185f7a;p=linux-2.6

diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index 005d2b05f3..c2a9a13d78 100644
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -163,7 +163,7 @@ static int imm_proc_info(struct Scsi_Host *host, char *buffer, char **start,
 
 #if IMM_DEBUG > 0
 #define imm_fail(x,y) printk("imm: imm_fail(%i) from %s at line %d\n",\
-	   y, __FUNCTION__, __LINE__); imm_fail_func(x,y);
+	   y, __func__, __LINE__); imm_fail_func(x,y);
 static inline void
 imm_fail_func(imm_struct *dev, int error_code)
 #else
@@ -705,9 +705,7 @@ static int imm_completion(struct scsi_cmnd *cmd)
 				cmd->SCp.buffer++;
 				cmd->SCp.this_residual =
 				    cmd->SCp.buffer->length;
-				cmd->SCp.ptr =
-				    page_address(cmd->SCp.buffer->page) +
-				    cmd->SCp.buffer->offset;
+				cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
 
 				/*
 				 * Make sure that we transfer even number of bytes
@@ -740,10 +738,6 @@ static void imm_interrupt(struct work_struct *work)
 	struct Scsi_Host *host = cmd->device->host;
 	unsigned long flags;
 
-	if (!cmd) {
-		printk("IMM: bug in imm_interrupt\n");
-		return;
-	}
 	if (imm_engine(dev, cmd)) {
 		schedule_delayed_work(&dev->imm_tq, 1);
 		return;
@@ -843,21 +837,16 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd)
 
 		/* Phase 4 - Setup scatter/gather buffers */
 	case 4:
-		if (cmd->use_sg) {
-			/* if many buffers are available, start filling the first */
-			cmd->SCp.buffer =
-			    (struct scatterlist *) cmd->request_buffer;
+		if (scsi_bufflen(cmd)) {
+			cmd->SCp.buffer = scsi_sglist(cmd);
 			cmd->SCp.this_residual = cmd->SCp.buffer->length;
-			cmd->SCp.ptr =
-			    page_address(cmd->SCp.buffer->page) +
-			    cmd->SCp.buffer->offset;
+			cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
 		} else {
-			/* else fill the only available buffer */
 			cmd->SCp.buffer = NULL;
-			cmd->SCp.this_residual = cmd->request_bufflen;
-			cmd->SCp.ptr = cmd->request_buffer;
+			cmd->SCp.this_residual = 0;
+			cmd->SCp.ptr = NULL;
 		}
-		cmd->SCp.buffers_residual = cmd->use_sg - 1;
+		cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
 		cmd->SCp.phase++;
 		if (cmd->SCp.this_residual & 0x01)
 			cmd->SCp.this_residual++;