Staging: most: mostcore/core.c. Fix "Using plain integer as NULL pointer" warnings

This patch fixes the warning generated by sparse: "Using plain integer
as NULL pointer" by replacing the pointer test against 0 with a logical test.

Signed-off-by: Adrian Remonda <adrianremonda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/mostcore/core.c b/drivers/staging/most/mostcore/core.c
index fa9c19b65a5c1f41d9f8ba1c710054731f339b43..7bb16db42893fb614ee81c2bfc4c2dcfcf23c490 100644 (file)
--- a/drivers/staging/most/mostcore/core.c
+++ b/drivers/staging/most/mostcore/core.c
@@ -982,7 +982,7 @@ static ssize_t store_add_link(struct most_aim_obj *aim_obj,
        if (ret)
                return ret;
 
-       if (mdev_devnod == 0 || *mdev_devnod == 0) {
+       if (!mdev_devnod || *mdev_devnod == 0) {
                snprintf(devnod_buf, sizeof(devnod_buf), "%s-%s", mdev, mdev_ch);
                mdev_devnod = devnod_buf;
        }