usb: host: sl811-hcd: check kzalloc() result

If kzalloc() fails exit with -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index bcf9f0e809dedbd194d34cd6e2a39639a1ff94ea..990f06b89eaadd55225d04169efbfdc09cf988ed 100644 (file)
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -813,8 +813,11 @@ static int sl811h_urb_enqueue(
 #endif
 
        /* avoid all allocations within spinlocks */
-       if (!hep->hcpriv)
+       if (!hep->hcpriv) {
                ep = kzalloc(sizeof *ep, mem_flags);
+               if (ep == NULL)
+                       return -ENOMEM;
+       }
 
        spin_lock_irqsave(&sl811->lock, flags);