On Fri, 23 Oct 2026 at 15:52, Anatoly Burakov <[email protected]> wrote: > > When enabling MSI-X eventfds, a failure after creating some descriptors > leaves them open. The eventfd count is recorded only after all allocations > succeed, so disabling eventfds cannot clean up a partial allocation. > > Calling enable again without disabling first also leaks descriptors by > overwriting the existing eventfd entries. > > Reject repeated MSI-X enable calls with EBUSY before modifying the handle. > Update the eventfd count as each descriptor is created, so that on failure > every eventfd created by the call can be closed, its entry cleared, and the > count reset. > > Fixes: b9e0662a931d ("eal/linux: add interrupt API for drivers") > Cc: [email protected] > > Signed-off-by: Anatoly Burakov <[email protected]>
There is a type change between the two loops, but that's harmless. Acked-by: David Marchand <[email protected]> -- David Marchand
