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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>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
This commit is contained in:
David Brownell
2007-01-06 01:08:47 +01:00
committed by Adrian Bunk
parent 30f1962cb4
commit 7f415f1af0
1 changed files with 1 additions and 1 deletions
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drivers/mtd/devices/mtd_dataflash.c
+1 -1
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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;
}