Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

[safe/jmp/linux-2.6] / drivers / scsi / imm.c

diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index 005d2b0..4734ab0 100644 (file)
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -15,6 +15,7 @@
 #include <linux/parport.h>
 #include <linux/workqueue.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 
 #include <scsi/scsi.h>
@@ -163,7 +164,7 @@ 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 +706,7 @@ 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 +739,6 @@ 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 +838,16 @@ 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++;