Automatic merge of rsync://www.parisc-linux.org/~jejb/git/scsi-for-linus-2.6.git

10 files changed, 47 insertions, 37 deletions

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index c9b82687ba1a..242fa77513f5 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -450,7 +450,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file)
                 }
         }
 
-        return 0;
+        return err;
 }
 
 /**
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index e60f9338e44a..d978e4a3e973 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2335,8 +2335,6 @@ ahc_linux_free_target(struct ahc_softc *ahc, struct ahc_linux_target *targ)
                       AHC_TRANS_GOAL, /*paused*/FALSE);
         ahc_update_neg_request(ahc, &devinfo, tstate, tinfo, AHC_NEG_ALWAYS);
         ahc->platform_data->targets[target_offset] = NULL;
-        if (targ->inq_data != NULL)
-                free(targ->inq_data, M_DEVBUF);
         free(targ, M_DEVBUF);
 }
 
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index c401537067b6..ed9027bd8a40 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -423,10 +423,6 @@ struct ahc_linux_device {
         struct                  ahc_linux_target *target;
 };
 
-typedef enum {
-        AHC_INQ_VALID            = 0x02,
-} ahc_linux_targ_flags;
-
 struct ahc_linux_target {
         struct ahc_linux_device  *devices[AHC_NUM_LUNS];
         int                       channel;
@@ -434,8 +430,6 @@ struct ahc_linux_target {
         int                       refcount;
         struct ahc_transinfo      last_tinfo;
         struct ahc_softc         *ahc;
-        ahc_linux_targ_flags      flags;
-        struct scsi_inquiry_data *inq_data;
 };
 
 /********************* Definitions Required by the Core ***********************/
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 2240a0cde583..9bc1f153f7ea 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -300,7 +300,7 @@ qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
         rport->dev_loss_tmo = ha->port_down_retry_count + 5;
 }
 
-static struct fc_function_template qla2xxx_transport_functions = {
+struct fc_function_template qla2xxx_transport_functions = {
 
         .show_host_node_name = 1,
         .show_host_port_name = 1,
@@ -322,12 +322,6 @@ static struct fc_function_template qla2xxx_transport_functions = {
 
 };
 
-struct scsi_transport_template *
-qla2x00_alloc_transport_tmpl(void)
-{
-        return (fc_attach_transport(&qla2xxx_transport_functions));
-}
-
 void
 qla2x00_init_host_attr(scsi_qla_host_t *ha)
 {
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e4bfe4d5bbe4..2efec6c24d60 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -24,7 +24,6 @@
 #define __QLA_GBL_H
 
 #include <linux/interrupt.h>
-#include <scsi/scsi_transport.h>
 
 extern void qla2x00_remove_one(struct pci_dev *);
 extern int qla2x00_probe_one(struct pci_dev *, struct qla_board_info *);
@@ -248,9 +247,10 @@ extern void qla2x00_cancel_io_descriptors(scsi_qla_host_t *);
 /*
  * Global Function Prototypes in qla_attr.c source file.
  */
+struct fc_function_template;
+extern struct fc_function_template qla2xxx_transport_functions;
 extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
 extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
-extern struct scsi_transport_template *qla2x00_alloc_transport_tmpl(void);
 extern void qla2x00_init_host_attr(scsi_qla_host_t *);
 extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
 extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 84db911318c6..579448222d69 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2350,7 +2350,8 @@ qla2x00_module_init(void)
 #if DEBUG_QLA2100
         strcat(qla2x00_version_str, "-debug");
 #endif
-        qla2xxx_transport_template = qla2x00_alloc_transport_tmpl();
+        qla2xxx_transport_template =
+            fc_attach_transport(&qla2xxx_transport_functions);
         if (!qla2xxx_transport_template)
                 return -ENODEV;
 
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 05d2bd075fd4..184bcaeaf812 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -542,7 +542,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
                  * that the device is no longer present */
                 cmd->result = DID_NO_CONNECT << 16;
                 atomic_inc(&cmd->device->iorequest_cnt);
-                scsi_done(cmd);
+                __scsi_done(cmd);
                 /* return 0 (because the command has been processed) */
                 goto out;
         }
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 303d7656f710..28966d05435c 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -22,6 +22,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/workqueue.h>
+#include <linux/blkdev.h>
 #include <asm/semaphore.h>
 #include <scsi/scsi.h>
 #include "scsi_priv.h"
@@ -41,6 +42,11 @@
 
 #define SPI_MAX_ECHO_BUFFER_SIZE        4096
 
+#define DV_LOOPS        3
+#define DV_TIMEOUT      (10*HZ)
+#define DV_RETRIES      3       /* should only need at most 
+                                 * two cc/ua clears */
+
 /* Private data accessors (keep these out of the header file) */
 #define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
 #define spi_dv_sem(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_sem)
@@ -100,6 +106,29 @@ static int sprint_frac(char *dest, int value, int denom)
         return result;
 }
 
+/* Modification of scsi_wait_req that will clear UNIT ATTENTION conditions
+ * resulting from (likely) bus and device resets */
+static void spi_wait_req(struct scsi_request *sreq, const void *cmd,
+                         void *buffer, unsigned bufflen)
+{
+        int i;
+
+        for(i = 0; i < DV_RETRIES; i++) {
+                sreq->sr_request->flags |= REQ_FAILFAST;
+
+                scsi_wait_req(sreq, cmd, buffer, bufflen,
+                              DV_TIMEOUT, /* retries */ 1);
+                if (sreq->sr_result & DRIVER_SENSE) {
+                        struct scsi_sense_hdr sshdr;
+
+                        if (scsi_request_normalize_sense(sreq, &sshdr)
+                            && sshdr.sense_key == UNIT_ATTENTION)
+                                continue;
+                }
+                break;
+        }
+}
+
 static struct {
         enum spi_signal_type    value;
         char                    *name;
@@ -378,11 +407,6 @@ static CLASS_DEVICE_ATTR(signalling, S_IRUGO | S_IWUSR,
         if(i->f->set_##x)               \
                 i->f->set_##x(sdev->sdev_target, y)
 
-#define DV_LOOPS        3
-#define DV_TIMEOUT      (10*HZ)
-#define DV_RETRIES      3       /* should only need at most 
-                                 * two cc/ua clears */
-
 enum spi_compare_returns {
         SPI_COMPARE_SUCCESS,
         SPI_COMPARE_FAILURE,
@@ -446,8 +470,7 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
         for (r = 0; r < retries; r++) {
                 sreq->sr_cmd_len = 0;   /* wait_req to fill in */
                 sreq->sr_data_direction = DMA_TO_DEVICE;
-                scsi_wait_req(sreq, spi_write_buffer, buffer, len,
-                              DV_TIMEOUT, DV_RETRIES);
+                spi_wait_req(sreq, spi_write_buffer, buffer, len);
                 if(sreq->sr_result || !scsi_device_online(sdev)) {
                         struct scsi_sense_hdr sshdr;
 
@@ -471,8 +494,7 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
                 memset(ptr, 0, len);
                 sreq->sr_cmd_len = 0;   /* wait_req to fill in */
                 sreq->sr_data_direction = DMA_FROM_DEVICE;
-                scsi_wait_req(sreq, spi_read_buffer, ptr, len,
-                              DV_TIMEOUT, DV_RETRIES);
+                spi_wait_req(sreq, spi_read_buffer, ptr, len);
                 scsi_device_set_state(sdev, SDEV_QUIESCE);
 
                 if (memcmp(buffer, ptr, len) != 0)
@@ -500,8 +522,7 @@ spi_dv_device_compare_inquiry(struct scsi_request *sreq, u8 *buffer,
 
                 memset(ptr, 0, len);
 
-                scsi_wait_req(sreq, spi_inquiry, ptr, len,
-                              DV_TIMEOUT, DV_RETRIES);
+                spi_wait_req(sreq, spi_inquiry, ptr, len);
                 
                 if(sreq->sr_result || !scsi_device_online(sdev)) {
                         scsi_device_set_state(sdev, SDEV_QUIESCE);
@@ -593,8 +614,7 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
          * (reservation conflict, device not ready, etc) just
          * skip the write tests */
         for (l = 0; ; l++) {
-                scsi_wait_req(sreq, spi_test_unit_ready, NULL, 0,
-                              DV_TIMEOUT, DV_RETRIES);
+                spi_wait_req(sreq, spi_test_unit_ready, NULL, 0);
 
                 if(sreq->sr_result) {
                         if(l >= 3)
@@ -608,8 +628,7 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
         sreq->sr_cmd_len = 0;
         sreq->sr_data_direction = DMA_FROM_DEVICE;
 
-        scsi_wait_req(sreq, spi_read_buffer_descriptor, buffer, 4,
-                      DV_TIMEOUT, DV_RETRIES);
+        spi_wait_req(sreq, spi_read_buffer_descriptor, buffer, 4);
 
         if (sreq->sr_result)
                 /* Device has no echo buffer */
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 3471be05779a..82d68fdb1548 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -281,6 +281,9 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
         char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
         int result;
 
+        if (!buffer)
+                return -ENOMEM;
+
         memset(&cgc, 0, sizeof(struct packet_command));
         cgc.cmd[0] = GPCMD_READ_SUBCHANNEL;
         cgc.cmd[2] = 0x40;      /* I do want the subchannel info */
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 5ff83d214f12..5b07c6ec3ecc 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -2038,8 +2038,9 @@ static void sym2_set_period(struct scsi_target *starget, int period)
         struct sym_hcb *np = sym_get_hcb(shost);
         struct sym_tcb *tp = &np->target[starget->id];
 
-        /* have to have DT for these transfers */
-        if (period <= np->minsync)
+        /* have to have DT for these transfers, but DT will also
+         * set width, so check that this is allowed */
+        if (period <= np->minsync && spi_width(starget))
                 tp->tgoal.dt = 1;
 
         tp->tgoal.period = period;