firmware: stratix10-rsu: fix warnings

Patch fixes sparse warnings: using plain integer as NULL pointer. Replaces
equal to with logical not operator.

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Richard Gong <richard.gong@intel.com>
Link: https://lore.kernel.org/r/1591193212-15082-1-git-send-email-richard.gong@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/firmware/stratix10-rsu.c b/drivers/firmware/stratix10-rsu.c
index 0686338..9378075 100644 (file)
--- a/drivers/firmware/stratix10-rsu.c
+++ b/drivers/firmware/stratix10-rsu.c
@@ -416,7 +416,7 @@ static ssize_t reboot_image_store(struct device *dev,
        unsigned long address;
        int ret;
 
-       if (priv == 0)
+       if (!priv)
                return -ENODEV;
 
        ret = kstrtoul(buf, 0, &address);
@@ -441,7 +441,7 @@ static ssize_t notify_store(struct device *dev,
        unsigned long status;
        int ret;
 
-       if (priv == 0)
+       if (!priv)
                return -ENODEV;
 
        ret = kstrtoul(buf, 0, &status);