staging: slicoss: return -ENOMEM if kzalloc fail

this takes up the error path cleanup,
fixes a crash too due to null deref

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index 9454280..f6af3fe 100644 (file)
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -3667,6 +3667,8 @@ static u32 slic_card_locate(struct adapter *adapter)
        if (!physcard) {
                /* no structure allocated for this physical card yet */
                physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC);
+               if (!physcard)
+                       return -ENOMEM;
 
                physcard->next = slic_global.phys_card;
                slic_global.phys_card = physcard;