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path: root/drivers/spi/spi.c
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Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index b76f2468a84a..b3a1f9259b62 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/cache.h>
#include <linux/mutex.h>
+#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
@@ -40,7 +41,7 @@ static void spidev_release(struct device *dev)
spi->master->cleanup(spi);
spi_master_put(spi->master);
- kfree(dev);
+ kfree(spi);
}
static ssize_t
@@ -256,6 +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. */
@@ -277,10 +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;
}