… > This patch adds checks for the return values of blkg_to_lat and let it See also: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.14-rc2#n94 > returns early if it is NULL, preventing the NULL pointer dereference. return? Regards, Markus