From: Klaus-D. Wacker Date: Thu, 21 Aug 2008 15:10:25 +0000 (+0200) Subject: LCS recovery dumps when cable reconnect X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9b3b9ab6a7a43851ccb4633149d01239f99f275f;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git LCS recovery dumps when cable reconnect LCS recovery dumps in irq routine when CCW address in Subchannel Status Word (SCSW) is zero. This occurs when recovery is driven after cable reconnect. Signed-off-by: Klaus-D. Wacker Signed-off-by: Ursula Braun Signed-off-by: Jeff Garzik --- diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 6de28385b354..9bcfa04d863b 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1412,7 +1412,8 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) } /* How far in the ccw chain have we processed? */ if ((channel->state != LCS_CH_STATE_INIT) && - (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC)) { + (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) && + (irb->scsw.cmd.cpa != 0)) { index = (struct ccw1 *) __va((addr_t) irb->scsw.cmd.cpa) - channel->ccws; if ((irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED) ||