Commit de4fa992 authored Dec 29, 2006 by David Brownell Committed by Linus Torvalds Dec 30, 2006

[PATCH] SPI/MTD: mtd_dataflash oops prevention



Return a fault code if the Dataflash driver runs into a "no device present"
error when the MISO line has a pulldown (it currently expects a pullup), so
that rmmod won't oops.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 17c65d69

drivers/mtd/devices/mtd_dataflash.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -536,7 +536,7 @@ static int __devinit dataflash_probe(struct spi_device *spi)
		if (status <= 0 \|\| status == 0xff) {
		DEBUG(MTD_DEBUG_LEVEL1, "%s: status error %d\n",
		spi->dev.bus_id, status);
		if (status == 0xff)
		if (status == 0 \|\| status == 0xff)
		status = -ENODEV;
		return status;
		}