The call sequence spi_alloc_master/spi_register_master/spi_unregister_master is complete; it reduces the device reference count to zero, which results in device memory being freed. An extra call to spi_master_put is unnecessary and results in an access to free memory. Drop it.
Signed-off-by: Guenter Roeck <li...@roeck-us.net> --- drivers/spi/spi-pl022.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index aab518e..47c6753 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2171,7 +2171,6 @@ pl022_remove(struct amba_device *adev) amba_release_regions(adev); tasklet_disable(&pl022->pump_transfers); spi_unregister_master(pl022->master); - spi_master_put(pl022->master); amba_set_drvdata(adev, NULL); return 0; } -- 1.7.9.7 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general