On 20/12/2019 23:48, Jens Axboe wrote: > On 12/20/19 4:33 PM, Colin King wrote: >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> >> >> Currently when the call to percpu_ref_init fails ctx->file_data is >> set to null and because there is a missing return statement the >> following statement dereferences this null pointer causing an oops. >> Fix this by adding the missing -ENOMEM return to avoid the oops. > > Nice, thanks! I'm guessing I didn't have the necessary magic debug > options to allow failure injection for failing. Fortunately we have Coverity to the rescue :-) Colin