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[PATCH] SPI/MTD: mtd_dataflash oops prevention

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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>
This commit is contained in:
David Brownell 2006-12-29 16:48:47 -08:00 committed by Linus Torvalds
parent 17c65d6990
commit de4fa99266
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/devices/mtd_dataflash.c
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@ -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;
}