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authorBen Hutchings <ben@decadent.org.uk>2012-02-12 06:02:43 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-24 13:12:14 -0800
commitb7a205545345578712611106b371538992e142ff (patch)
treef725698c4e76afbfe95569ef73a735a30cf6ca37 /drivers/usb/class
parent0cedc4e1c870d5d4811b3ed2aca98b41334f10e4 (diff)
downloadlinux-b7a205545345578712611106b371538992e142ff.tar.bz2
cdc-wdm: Don't clear WDM_READ unless entire read buffer is emptied
The WDM_READ flag is cleared later iff desc->length is reduced to 0. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Tested-by: Bjørn Mork <bjorn@mork.no> Cc: Oliver Neukum <oliver@neukum.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-wdm.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 7ca54d4dea92..6037b503153f 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -455,7 +455,6 @@ retry:
spin_unlock_irq(&desc->iuspin);
goto retry;
}
- clear_bit(WDM_READ, &desc->flags);
cntr = desc->length;
spin_unlock_irq(&desc->iuspin);
}