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| author | Alan Stern <stern@rowland.harvard.edu> | 2013-01-22 17:37:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-22 17:55:13 +0100 |
| commit | 0f815a0a700bc10547449bde6c106051a035a1b9 (patch) | |
| tree | 15fa8225bc26d460df7e97ee056e95a51067a84b /drivers/watchdog/pcwd_usb.c | |
| parent | Merge tag 'fixes-for-v3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| download | linux-0f815a0a700bc10547449bde6c106051a035a1b9.tar.xz linux-0f815a0a700bc10547449bde6c106051a035a1b9.zip | |
USB: UHCI: fix IRQ race during initialization
This patch (as1644) fixes a race that occurs during startup in
uhci-hcd. If the IRQ line is shared with other devices, it's possible
for the handler routine to be called before the data structures are
fully initialized.
The problem is fixed by adding a check to the IRQ handler routine. If
the initialization hasn't finished yet, the routine will return
immediately.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Don Zickus <dzickus@redhat.com>
Tested-by: "Huang, Adrian (ISS Linux TW)" <adrian.huang@hp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/watchdog/pcwd_usb.c')
0 files changed, 0 insertions, 0 deletions