From: Adrian Bunk <bunk@stusta.de>
Date: Sat, 25 Mar 2006 11:07:04 +0000 (-0800)
Subject: [PATCH] drivers/block/nbd.c: don't defer compile error to runtime
X-Git-Tag: firefly_0821_release~37254
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5b7b18ccdeb17dcc4a2ddbf4ce87094c7365f4b9;p=firefly-linux-kernel-4.4.55.git

[PATCH] drivers/block/nbd.c: don't defer compile error to runtime

If we can detect a problem at compile time, the compilation should fail.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a9bde30dadad..8bca4905d7f7 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -639,10 +639,7 @@ static int __init nbd_init(void)
 	int err = -ENOMEM;
 	int i;
 
-	if (sizeof(struct nbd_request) != 28) {
-		printk(KERN_CRIT "nbd: sizeof nbd_request needs to be 28 in order to work!\n" );
-		return -EIO;
-	}
+	BUILD_BUG_ON(sizeof(struct nbd_request) != 28);
 
 	if (nbds_max > MAX_NBD) {
 		printk(KERN_CRIT "nbd: cannot allocate more than %u nbds; %u requested.\n", MAX_NBD,