From ed7e152cdafe0470e5c0df9f59d485a5b8d9a31e Mon Sep 17 00:00:00 2001
From: Michael Reed <mdr@sgi.com>
Date: Mon, 20 Sep 2010 11:20:22 -0500
Subject: [PATCH] --- yaml --- r: 213363 b: refs/heads/master c:
 1a03ae0f556a931aa3747b70e44b78308f5b0590 h: refs/heads/master i:   213361:
 e36e633b25faad7e8de110ea507fc1b4bede4a95   213359:
 06e167907047dc943a842f83db4a10a8787ff23b v: v3

---
 [refs]                  |  2 +-
 trunk/drivers/scsi/sd.c | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/[refs] b/[refs]
index 475a100077d5..718cfcea5972 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 43ca910a9c90566308f39f51ac03a55f94a5f83c
+refs/heads/master: 1a03ae0f556a931aa3747b70e44b78308f5b0590
diff --git a/trunk/drivers/scsi/sd.c b/trunk/drivers/scsi/sd.c
index 0c4f89cfb7dc..50f1fe605303 100644
--- a/trunk/drivers/scsi/sd.c
+++ b/trunk/drivers/scsi/sd.c
@@ -2288,11 +2288,10 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
 	index = sdkp->index;
 	dev = &sdp->sdev_gendev;
 
-	if (index < SD_MAX_DISKS) {
-		gd->major = sd_major((index & 0xf0) >> 4);
-		gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00);
-		gd->minors = SD_MINORS;
-	}
+	gd->major = sd_major((index & 0xf0) >> 4);
+	gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00);
+	gd->minors = SD_MINORS;
+
 	gd->fops = &sd_fops;
 	gd->private_data = &sdkp->driver;
 	gd->queue = sdkp->device->request_queue;
@@ -2382,6 +2381,12 @@ static int sd_probe(struct device *dev)
 	if (error)
 		goto out_put;
 
+	if (index >= SD_MAX_DISKS) {
+		error = -ENODEV;
+		sdev_printk(KERN_WARNING, sdp, "SCSI disk (sd) name space exhausted.\n");
+		goto out_free_index;
+	}
+
 	error = sd_format_disk_name("sd", index, gd->disk_name, DISK_NAME_LEN);
 	if (error)
 		goto out_free_index;