Commit 8ec130a0 authored by Roman Tereshonkov's avatar Roman Tereshonkov Committed by Grant Likely

spi: release device claimed by bus_find_device_by_name

In success case the function bus_find_device_by_name calls
get_device. In our context put_device should be called to
decrease the device count usage.
Signed-off-by: default avatarRoman Tereshonkov <roman.tereshonkov@nokia.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 9bd73715
......@@ -257,6 +257,7 @@ int spi_add_device(struct spi_device *spi)
{
static DEFINE_MUTEX(spi_add_lock);
struct device *dev = spi->master->dev.parent;
struct device *d;
int status;
/* Chipselects are numbered 0..max; validate. */
......@@ -278,10 +279,11 @@ int spi_add_device(struct spi_device *spi)
*/
mutex_lock(&spi_add_lock);
if (bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev))
!= NULL) {
d = bus_find_device_by_name(&spi_bus_type, NULL, dev_name(&spi->dev));
if (d != NULL) {
dev_err(dev, "chipselect %d already in use\n",
spi->chip_select);
put_device(d);
status = -EBUSY;
goto done;
}
......
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