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authorAlexey Dobriyan <adobriyan@gmail.com>2017-02-27 14:30:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-27 18:43:47 -0800
commit5b5e0928f742cfa853b2411400a1b19fa379d758 (patch)
tree44ef4dd9cfd9587c81f4183638648b340a3d3b7e /drivers/atm/eni.c
parentd7f6724366c5ccb52b9b2e403b0a9383803bd47a (diff)
downloadlinux-5b5e0928f742cfa853b2411400a1b19fa379d758.tar.gz
lib/vsprintf.c: remove %Z support
Now that %z is standartised in C99 there is no reason to support %Z.
Unlike %L it doesn't even make format strings smaller.

Use BUILD_BUG_ON in a couple ATM drivers.

In case anyone didn't notice lib/vsprintf.o is about half of SLUB which
is in my opinion is quite an achievement.  Hopefully this patch inspires
someone else to trim vsprintf.c more.

Link: http://lkml.kernel.org/r/20170103230126.GA30170@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/atm/eni.c')
-rw-r--r--drivers/atm/eni.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 623359e407aa..b042ec458544 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -2326,11 +2326,7 @@ static int __init eni_init(void)
 {
 	struct sk_buff *skb; /* dummy for sizeof */
 
-	if (sizeof(skb->cb) < sizeof(struct eni_skb_prv)) {
-		printk(KERN_ERR "eni_detect: skb->cb is too small (%Zd < %Zd)\n",
-		    sizeof(skb->cb),sizeof(struct eni_skb_prv));
-		return -EIO;
-	}
+	BUILD_BUG_ON(sizeof(skb->cb) < sizeof(struct eni_skb_prv));
 	return pci_register_driver(&eni_driver);
 }