pcmcia: make use of pcmcia_dev_resume() return value

In runtime_resume(), do not throw away the return value of
pcmcia_dev_resume(), for we can use it (at least) in
pcmcia_store_pm_state(). This also fixes the pointless assignment
previosly seen there, as noted by Dan Carpenter.

CC: Dan Carpenter <error27@gmail.com>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 1a4a3c49cc15..defa44c27b97 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -970,13 +970,14 @@ static int runtime_suspend(struct device *dev)
         return rc;
 }
 
-static void runtime_resume(struct device *dev)
+static int runtime_resume(struct device *dev)
 {
         int rc;
 
         down(&dev->sem);
         rc = pcmcia_dev_resume(dev);
         up(&dev->sem);
+        return rc;
 }
 
 /************************ per-device sysfs output ***************************/
@@ -1027,7 +1028,7 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute
         if ((!p_dev->suspended) && !strncmp(buf, "off", 3))
                 ret = runtime_suspend(dev);
         else if (p_dev->suspended && !strncmp(buf, "on", 2))
-                runtime_resume(dev);
+                ret = runtime_resume(dev);
 
         return ret ? ret : count;
 }