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authorDmitry Torokhov <dtor@vmware.com>2011-02-23 14:38:20 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-25 11:40:01 -0800
commitc9642374d0e969e8c17f4f31cd1a2bd111634227 (patch)
tree50df5c053d7eb31139c18fd90ab146958c06e84d /include
parent969e3033ae7733a0af8f7742ca74cd16c0857e71 (diff)
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USB: fix unsafe USB_SS_MAX_STREAMS() definition
Macro arguments used in expressions need to be enclosed in parenthesis to avoid unpleasant surprises. Signed-off-by: Dmitry Torokhov <dtor@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/usb/ch9.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index ab461948b579..34316ba05f29 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -584,7 +584,7 @@ struct usb_ss_ep_comp_descriptor {
#define USB_DT_SS_EP_COMP_SIZE 6
/* Bits 4:0 of bmAttributes if this is a bulk endpoint */
-#define USB_SS_MAX_STREAMS(p) (1 << (p & 0x1f))
+#define USB_SS_MAX_STREAMS(p) (1 << ((p) & 0x1f))
/*-------------------------------------------------------------------------*/
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