From: Julia Lawall <julia@diku.dk>
Date: Tue, 4 Mar 2008 22:29:17 +0000 (-0800)
Subject: drivers/char/isicom.c: correct use of ! and &
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=07fb6f26bab869fc3bb9df0a785ba734f4c51ac3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drivers/char/isicom.c: correct use of ! and &

In commit e6bafba5b4765a5a252f1b8d31cbf6d2459da337 ("wmi: (!x & y)
strikes again"), a bug was fixed that involved converting !x & y to !(x
& y).  The code below shows the same pattern, and thus should perhaps be
fixed in the same way.

This is not tested and clearly changes the semantics, so it is only
something to consider.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@ expression E1,E2; @@
(
  !E1 & !E2
|
- !E1 & E2
+ !(E1 & E2)
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 85d596a3c18c..eba2883b630e 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1527,7 +1527,7 @@ static int __devinit reset_card(struct pci_dev *pdev,
 	msleep(10);
 
 	portcount = inw(base + 0x2);
-	if (!inw(base + 0xe) & 0x1 || (portcount != 0 && portcount != 4 &&
+	if (!(inw(base + 0xe) & 0x1) || (portcount != 0 && portcount != 4 &&
 				portcount != 8 && portcount != 16)) {
 		dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure.\n",
 			card + 1);