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Commit 0a4dd778 authored by Domen Puncer's avatar Domen Puncer Committed by Linus Torvalds
Browse files

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



find_first_zero_bit accepts number of bits, not longs.

Signed-off-by: default avatarDomen Puncer <domen.puncer@telargo.com>
Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bb33ed63

drivers/spi/spidev.c

+1 −1
Original line number Diff line number Diff line
@@ -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;