From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 19 Jul 2010 20:18:05 +0000 (-0700)
Subject: Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
X-Git-Tag: v2.6.35-rc6~30
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=2decd5a7cea2c1dae6418fe778857d43680a91aa;hp=b4fd4f890bca2291a12bb0807027db40f929a82d;p=net-next-2.6.git

Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] cio: fix potential overflow in chpid descriptor
  [S390] add missing device put
  [S390] dasd: use correct label location for diag fba disks
---

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 34d51dd4c53..bed7b4634cc 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -948,8 +948,10 @@ static ssize_t dasd_alias_show(struct device *dev,
 	if (device->discipline && device->discipline->get_uid &&
 	    !device->discipline->get_uid(device, &uid)) {
 		if (uid.type == UA_BASE_PAV_ALIAS ||
-		    uid.type == UA_HYPER_PAV_ALIAS)
+		    uid.type == UA_HYPER_PAV_ALIAS) {
+			dasd_put_device(device);
 			return sprintf(buf, "1\n");
+		}
 	}
 	dasd_put_device(device);
 
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index ce7cb87479f..407d0e9adfa 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -713,7 +713,7 @@ int chsc_determine_base_channel_path_desc(struct chp_id chpid,
 	ret = chsc_determine_channel_path_desc(chpid, 0, 0, 0, 0, chsc_resp);
 	if (ret)
 		goto out_free;
-	memcpy(desc, &chsc_resp->data, chsc_resp->length);
+	memcpy(desc, &chsc_resp->data, sizeof(*desc));
 out_free:
 	kfree(chsc_resp);
 	return ret;
diff --git a/fs/partitions/ibm.c b/fs/partitions/ibm.c
index 3e73de5967f..fc8497643fd 100644
--- a/fs/partitions/ibm.c
+++ b/fs/partitions/ibm.c
@@ -74,6 +74,7 @@ int ibm_partition(struct parsed_partitions *state)
 	} *label;
 	unsigned char *data;
 	Sector sect;
+	sector_t labelsect;
 
 	res = 0;
 	blocksize = bdev_logical_block_size(bdev);
@@ -97,11 +98,20 @@ int ibm_partition(struct parsed_partitions *state)
 	    ioctl_by_bdev(bdev, HDIO_GETGEO, (unsigned long)geo) != 0)
 		goto out_freeall;
 
+	/*
+	 * Special case for FBA disks: label sector does not depend on
+	 * blocksize.
+	 */
+	if ((info->cu_type == 0x6310 && info->dev_type == 0x9336) ||
+	    (info->cu_type == 0x3880 && info->dev_type == 0x3370))
+		labelsect = info->label_block;
+	else
+		labelsect = info->label_block * (blocksize >> 9);
+
 	/*
 	 * Get volume label, extract name and type.
 	 */
-	data = read_part_sector(state, info->label_block*(blocksize/512),
-				&sect);
+	data = read_part_sector(state, labelsect, &sect);
 	if (data == NULL)
 		goto out_readerr;