diff options
| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2010-05-26 21:26:43 +0400 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2010-05-27 20:59:48 +0200 |
| commit | d0fe1128c4451327b9cb0fac1a76efd194b078b5 (patch) | |
| tree | d582cdd84bf9fcb4887074b1cd04d02a11a52a97 /include/usb.h | |
| parent | 01f03bda5b22e5aeae5f02fd537da97a41485c73 (diff) | |
USB: fix create_pipe()
create_pipe() can give wrong result if an expression is passed as the 'endpoint'
argument -- due to missing parentheses.
Thanks to Martin Mueller for finding the bug and providing the patch.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/usb.h b/include/usb.h index a1f09d4d7..bc4ccfe15 100644 --- a/include/usb.h +++ b/include/usb.h @@ -259,7 +259,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); */ /* Create various pipes... */ #define create_pipe(dev,endpoint) \ - (((dev)->devnum << 8) | (endpoint << 15) | \ + (((dev)->devnum << 8) | ((endpoint) << 15) | \ ((dev)->speed << 26) | (dev)->maxpacketsize) #define default_pipe(dev) ((dev)->speed << 26) |