[PATCH] drivers/usb/host: Correct use of ! and &

From: Julia Lawall
Date: Wed Aug 12 2009 - 10:51:20 EST


From: Julia Lawall <julia@xxxxxxx>

Correct priority problem in the use of ! and &.

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

// <smpl>
@@ expression E; constant C; @@
- !E & C
+ !(E & C)
// </smpl>

Signed-off-by: Julia Lawall <julia@xxxxxxx>

---
drivers/usb/host/isp1362-hcd.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 16ba1ea..e35d828 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -1075,8 +1075,10 @@ static irqreturn_t isp1362_irq(struct usb_hcd *hcd)
isp1362_clr_mask16(isp1362_hcd, HCBUFSTAT, HCBUFSTAT_ISTL0_FULL);
DBG(1, "%s: ISTL0\n", __func__);
WARN_ON((int)!!isp1362_hcd->istl_flip);
- WARN_ON(isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) & HCBUFSTAT_ISTL0_ACTIVE);
- WARN_ON(!isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) & HCBUFSTAT_ISTL0_DONE);
+ WARN_ON(isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) &
+ HCBUFSTAT_ISTL0_ACTIVE);
+ WARN_ON(!(isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) &
+ HCBUFSTAT_ISTL0_DONE));
isp1362_hcd->irqenb &= ~HCuPINT_ISTL0;
}

@@ -1087,8 +1089,10 @@ static irqreturn_t isp1362_irq(struct usb_hcd *hcd)
isp1362_clr_mask16(isp1362_hcd, HCBUFSTAT, HCBUFSTAT_ISTL1_FULL);
DBG(1, "%s: ISTL1\n", __func__);
WARN_ON(!(int)isp1362_hcd->istl_flip);
- WARN_ON(isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) & HCBUFSTAT_ISTL1_ACTIVE);
- WARN_ON(!isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) & HCBUFSTAT_ISTL1_DONE);
+ WARN_ON(isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) &
+ HCBUFSTAT_ISTL1_ACTIVE);
+ WARN_ON(!(isp1362_read_reg16(isp1362_hcd, HCBUFSTAT) &
+ HCBUFSTAT_ISTL1_DONE));
isp1362_hcd->irqenb &= ~HCuPINT_ISTL1;
}

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