linux-kernel - [PATCH 2/4] staging: slicoss: use status in slic_if

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Message-Id: <1442508275-5080-2-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Thu, 17 Sep 2015 22:14:33 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Lior Dotan <liodot@...il.com>,
	Christopher Harrer <charrer@...critech.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 2/4] staging: slicoss: use status in slic_if_init

While initializing the interface if we are not able to setup the command
to UP the link then we release everything and return the error code.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/staging/slicoss/slicoss.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index b1a8b4b..fb663c8 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -2379,7 +2379,22 @@ static int slic_if_init(struct adapter *adapter, unsigned long *flags)
 	slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
 
 	slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
-	slic_link_event_handler(adapter);
+	rc = slic_link_event_handler(adapter);
+	if (rc) {
+		/* disable interrupts then clear pending events */
+		slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
+		slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
+		if (adapter->pingtimerset) {
+			del_timer(&adapter->pingtimer);
+			adapter->pingtimerset = 0;
+		}
+		if (card->loadtimerset) {
+			del_timer(&card->loadtimer);
+			card->loadtimerset = 0;
+		}
+		adapter->state = ADAPT_DOWN;
+		slic_adapter_freeresources(adapter);
+	}
 
 err:
 	return rc;
-- 
1.9.1

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