spi: core: Propagate error code of add_uevent_var()

add_uevent_var() can fail, let caller know about this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 4fcbb0aa71d361e4e5e50600a2d14a7722e22034..fe7bba9241ea41f2e0872dd897ddbda92b07cbf3 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -321,8 +321,7 @@ static int spi_uevent(struct device *dev, struct kobj_uevent_env *env)
        if (rc != -ENODEV)
                return rc;
 
-       add_uevent_var(env, "MODALIAS=%s%s", SPI_MODULE_PREFIX, spi->modalias);
-       return 0;
+       return add_uevent_var(env, "MODALIAS=%s%s", SPI_MODULE_PREFIX, spi->modalias);
 }
 
 struct bus_type spi_bus_type = {