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List: kernel-janitors
Subject: [PATCH] drivers/usb: Correct use of ! and &
From: Julia Lawall <julia () diku ! dk>
Date: 2009-09-19 7:13:43
Message-ID: Pine.LNX.4.64.0909190913050.21312 () ask ! diku ! dk
[Download RAW message or body]
From: Julia Lawall <julia@diku.dk>
Correct priority problem in the use of ! and &.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@ expression E; constant C; @@
- !E & C
+ !(E & C)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
---
drivers/usb/usb-skeleton.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -u -p a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
--- a/drivers/usb/usb-skeleton.c
+++ b/drivers/usb/usb-skeleton.c
@@ -358,7 +358,7 @@ retry:
rv = skel_do_read_io(dev, count);
if (rv < 0)
goto exit;
- else if (!file->f_flags & O_NONBLOCK)
+ else if (!(file->f_flags & O_NONBLOCK))
goto retry;
rv = -EAGAIN;
}
@@ -411,7 +411,7 @@ static ssize_t skel_write(struct file *f
* limit the number of URBs in flight to stop a user from using up all
* RAM
*/
- if (!file->f_flags & O_NONBLOCK) {
+ if (!(file->f_flags & O_NONBLOCK)) {
if (down_interruptible(&dev->limit_sem)) {
retval = -ERESTARTSYS;
goto exit;
--
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