spi: fix spidev for >sizeof(long)/32 devices

find_first_zero_bit accepts number of bits, not longs.

Signed-off-by: Domen Puncer <domen.puncer@telargo.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index c0a6dce..225d6b2 100644 (file)
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -484,7 +484,7 @@ static int spidev_probe(struct spi_device *spi)
         * Reusing minors is fine so long as udev or mdev is working.
         */
        mutex_lock(&device_list_lock);
-       minor = find_first_zero_bit(minors, ARRAY_SIZE(minors));
+       minor = find_first_zero_bit(minors, N_SPI_MINORS);
        if (minor < N_SPI_MINORS) {
                spidev->dev.parent = &spi->dev;
                spidev->dev.class = &spidev_class;