b43: check for allocation failures

Add some error handling if the allocation fails.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 7 insertions, 1 deletions

diff --git a/drivers/net/wireless/b43/bus.c b/drivers/net/wireless/b43/bus.c
index 6c63aecd6ab..8a10b82f8ea 100644
--- a/drivers/net/wireless/b43/bus.c
+++ b/drivers/net/wireless/b43/bus.c
@@ -83,7 +83,11 @@ void b43_bus_ssb_block_write(struct b43_bus_dev *dev, const void *buffer,
 
 struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
 {
-        struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+        struct b43_bus_dev *dev;
+
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+        if (!dev)
+                return NULL;
 
         dev->bus_type = B43_BUS_SSB;
         dev->sdev = sdev;
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 1d8d98324d1..7aed9a0eabc 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -5025,6 +5025,8 @@ int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
         int first = 0;
 
         dev = b43_bus_dev_ssb_init(sdev);
+        if (!dev)
+                return -ENOMEM;
 
         wl = ssb_get_devtypedata(sdev);
         if (!wl) {