linux-kernel - [PATCH] misc: tifm: match return type of wait_for_completion

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Date:	Mon,  9 Feb 2015 14:43:44 -0500
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	Alex Dubov <oakad@...oo.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] misc: tifm: match return type of wait_for_completion_timeout

return type of wait_for_completion_timeout is unsigned long not int. The
rc variable is in use for other calls so an additional timeout variable
of type unsigned long is added.

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
---

Note that the timeout case is being ignored - not sure if this should not
do something like:
                if (!timeout)
                        return -ETIMEOUT;
in case resume timed-out ?

Patch was only compile tested with x86_64_defconfig + CONFIG_MMC=m,
CONFIG_MMC_TIFM_SD=m, (the later implies CONFIG_TIFM_7XX1=m)

Patch is against 3.19.0-rc7 (localversion-next is -next-20150209)

 drivers/misc/tifm_7xx1.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index a606c89..252530a 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -236,6 +236,7 @@ static int tifm_7xx1_resume(struct pci_dev *dev)
 {
 	struct tifm_adapter *fm = pci_get_drvdata(dev);
 	int rc;
+	unsigned long timeout;
 	unsigned int good_sockets = 0, bad_sockets = 0;
 	unsigned long flags;
 	unsigned char new_ids[fm->num_sockets];
@@ -272,8 +273,8 @@ static int tifm_7xx1_resume(struct pci_dev *dev)
 	if (good_sockets) {
 		fm->finish_me = &finish_resume;
 		spin_unlock_irqrestore(&fm->lock, flags);
-		rc = wait_for_completion_timeout(&finish_resume, HZ);
-		dev_dbg(&dev->dev, "wait returned %d\n", rc);
+		timeout = wait_for_completion_timeout(&finish_resume, HZ);
+		dev_dbg(&dev->dev, "wait returned %lu\n", timeout);
 		writel(TIFM_IRQ_FIFOMASK(good_sockets)
 		       | TIFM_IRQ_CARDMASK(good_sockets),
 		       fm->addr + FM_CLEAR_INTERRUPT_ENABLE);
-- 
1.7.10.4

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