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path: root/drivers/mtd/ubi/cdev.c
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-rw-r--r--drivers/mtd/ubi/cdev.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 055e3f563c13..fd7e0f923b38 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -532,13 +532,26 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
532 err = ubi_leb_map(desc, req.lnum, req.dtype); 532 err = ubi_leb_map(desc, req.lnum, req.dtype);
533 break; 533 break;
534 } 534 }
535
536 /* Logical eraseblock un-map command */
537 case UBI_IOCEBUNMAP:
538 {
539 int32_t lnum;
540
541 err = get_user(lnum, (__user int32_t *)argp);
542 if (err) {
543 err = -EFAULT;
544 break;
545 }
546 err = ubi_leb_unmap(desc, lnum);
547 break;
548 }
535#endif 549#endif
536 550
537 default: 551 default:
538 err = -ENOTTY; 552 err = -ENOTTY;
539 break; 553 break;
540 } 554 }
541
542 return err; 555 return err;
543} 556}
544 557