HSI: hsi-char: fix driver for multiport scenarios

Fix return code check of alloc_chrdev_region, which
returns 0 on success.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c
index e61e5f991aa538831644c5c1d1f13e5f71a69334..30733209fde2c5c47614c66887c4876b93750bb4 100644 (file)
--- a/drivers/hsi/clients/hsi_char.c
+++ b/drivers/hsi/clients/hsi_char.c
@@ -705,7 +705,7 @@ static int hsc_probe(struct device *dev)
        if (!hsc_major) {
                ret = alloc_chrdev_region(&hsc_dev, hsc_baseminor,
                                                HSC_DEVS, devname);
-               if (ret > 0)
+               if (ret == 0)
                        hsc_major = MAJOR(hsc_dev);
        } else {
                hsc_dev = MKDEV(hsc_major, hsc_baseminor);