[PATCH 5.10 0/1] staging: rtl8192u: Add null check in rtl8192_usb_initendpoints

SVACE reports return value of a function 'usb_alloc_urb' is dereferenced without checking for null in 5.10 stable releases. The problem has been fixed by the following patch which can be cleanly applied to the 5.10 branch.

Found by Linux Verification Center (linuxtesting.org) with SVACE.