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@@ -1017,10 +1017,11 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
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status = -ENOMEM;
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goto cleanup1;
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}
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- if (ioc->Request.Type.Direction == XFER_WRITE &&
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- copy_from_user(buff[sg_used], data_ptr, sz)) {
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+ if (ioc->Request.Type.Direction == XFER_WRITE) {
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+ if (copy_from_user(buff[sg_used], data_ptr, sz)) {
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status = -ENOMEM;
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- goto cleanup1;
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+ goto cleanup1;
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+ }
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} else {
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memset(buff[sg_used], 0, sz);
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}
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@@ -1138,8 +1139,15 @@ static int revalidate_allvol(ctlr_info_t *host)
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for(i=0; i< NWD; i++) {
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struct gendisk *disk = host->gendisk[i];
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- if (disk->flags & GENHD_FL_UP)
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- del_gendisk(disk);
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+ if (disk) {
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+ request_queue_t *q = disk->queue;
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+
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+ if (disk->flags & GENHD_FL_UP)
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+ del_gendisk(disk);
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+ if (q)
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+ blk_cleanup_queue(q);
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+ put_disk(disk);
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+ }
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}
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/*
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@@ -1453,10 +1461,13 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
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* allows us to delete disk zero but keep the controller registered.
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*/
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if (h->gendisk[0] != disk){
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- if (disk->flags & GENHD_FL_UP){
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- blk_cleanup_queue(disk->queue);
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- del_gendisk(disk);
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- drv->queue = NULL;
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+ if (disk) {
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+ request_queue_t *q = disk->queue;
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+ if (disk->flags & GENHD_FL_UP)
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+ del_gendisk(disk);
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+ if (q)
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+ blk_cleanup_queue(q);
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+ put_disk(disk);
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}
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}
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@@ -3225,9 +3236,14 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
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/* remove it from the disk list */
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for (j = 0; j < NWD; j++) {
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struct gendisk *disk = hba[i]->gendisk[j];
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- if (disk->flags & GENHD_FL_UP) {
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- del_gendisk(disk);
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- blk_cleanup_queue(disk->queue);
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+ if (disk) {
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+ request_queue_t *q = disk->queue;
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+
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+ if (disk->flags & GENHD_FL_UP)
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+ del_gendisk(disk);
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+ if (q)
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+ blk_cleanup_queue(q);
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+ put_disk(disk);
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}
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}
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