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authorDavid Brownell <dbrownell@users.sourceforge.net>2007-01-06 01:08:47 +0100
committerAdrian Bunk <bunk@stusta.de>2007-01-09 03:23:31 +0100
commit7f415f1af086422cc271f5e76f81bc1695ce126e (patch)
tree61de1f9e298a929505647df25fd1816f78c2d1e4
parent30f1962cb4491cfaabcd98715535f4bd7eba4307 (diff)
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> Signed-off-by: Adrian Bunk <bunk@stusta.de>
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index a19480d0788..dabffa280dd 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -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;
}