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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2012-10-25 13:44:12 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-11 09:18:48 -0800
commit3f605c4b4424a7042bd3ba656af10e3a405d5663 (patch)
tree0b8a09a78b86f34be790030ab1c56b8f810f1f96 /fs/debugfs/Makefile
parent2a90b6baab1021ebbd7fdbb4b894ea315650d360 (diff)
xhci: Fix conditional check in bandwidth calculation.
commit 392a07ae3316f2b90b39ce41e66d6f6b5c95de90 upstream. David reports that at drivers/usb/host/xhci.c:2257: static bool xhci_is_sync_in_ep(unsigned int ep_type) { return (ep_type == ISOC_IN_EP || ep_type != INT_IN_EP); } The static analyser cppcheck says [linux-3.7-rc2/drivers/usb/host/xhci.c:2257]: (style) Redundant condition: If ep_type == 5, the comparison ep_type != 7 is always true. Maybe the original programmer intention was something like static bool xhci_is_sync_in_ep(unsigned int ep_type) { return (ep_type == ISOC_IN_EP || ep_type == INT_IN_EP); } Fix this. This patch should be backported to stable kernels as old as 3.2, that contain the commit 2b69899934c63b7b9432568584fb4c4a2924f40c "xhci: USB 3.0 BW checking." Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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