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authorIngo Molnar <mingo@kernel.org>2013-10-09 12:36:13 +0200
committerIngo Molnar <mingo@kernel.org>2013-10-09 12:36:13 +0200
commit37bf06375c90a42fe07b9bebdb07bc316ae5a0ce (patch)
treede572dd6d3955b0725001776a7b03796f99e1e8e /drivers/usb/core/devio.c
parentsched/rt: Remove redundant nr_cpus_allowed test (diff)
parentLinux 3.12-rc4 (diff)
downloadlinux-37bf06375c90a42fe07b9bebdb07bc316ae5a0ce.tar.gz
linux-37bf06375c90a42fe07b9bebdb07bc316ae5a0ce.zip
Merge tag 'v3.12-rc4' into sched/core
Merge Linux v3.12-rc4 to fix a conflict and also to refresh the tree before applying more scheduler patches. Conflicts: arch/avr32/include/asm/Kbuild Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 737e3c19967b..71dc5d768fa5 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
if ((index & ~USB_DIR_IN) == 0)
return 0;
ret = findintfep(ps->dev, index);
+ if (ret < 0) {
+ /*
+ * Some not fully compliant Win apps seem to get
+ * index wrong and have the endpoint number here
+ * rather than the endpoint address (with the
+ * correct direction). Win does let this through,
+ * so we'll not reject it here but leave it to
+ * the device to not break KVM. But we warn.
+ */
+ ret = findintfep(ps->dev, index ^ 0x80);
+ if (ret >= 0)
+ dev_info(&ps->dev->dev,
+ "%s: process %i (%s) requesting ep %02x but needs %02x\n",
+ __func__, task_pid_nr(current),
+ current->comm, index, index ^ 0x80);
+ }
if (ret >= 0)
ret = checkintf(ps, ret);
break;