On 1/14/2026 9:01 AM, [email protected] wrote: > From: Michael Kelley <[email protected]> > > vfs_poll() returns a result of type __poll_t, but current code is using > an "unsigned int" local variable. The difference is that __poll_t carries > the "bitwise" attribute. This attribute is not interpreted by the C > compiler; it is only used by 'sparse' to flag incorrect usage of the > return value. The return value is used correctly here, so there's no > bug, but sparse complains about the type mismatch. > > In the interest of general correctness and to avoid noise from sparse, > change the local variable to type __poll_t. No functional change. > > Reported-by: kernel test robot <[email protected]> > Closes: > https://lore.kernel.org/oe-kbuild-all/[email protected]/ > Signed-off-by: Michael Kelley <[email protected]> > --- > This change is not marked with a Fixes: tag as there's no value in > backporting to older stable releases. > > drivers/hv/mshv_eventfd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/hv/mshv_eventfd.c b/drivers/hv/mshv_eventfd.c > index d93a18f09c76..0b75ff1edb73 100644 > --- a/drivers/hv/mshv_eventfd.c > +++ b/drivers/hv/mshv_eventfd.c > @@ -388,7 +388,7 @@ static int mshv_irqfd_assign(struct mshv_partition *pt, > { > struct eventfd_ctx *eventfd = NULL, *resamplefd = NULL; > struct mshv_irqfd *irqfd, *tmp; > - unsigned int events; > + __poll_t events; > int ret; > int idx; >
Reviewed-by: Nuno Das Neves <[email protected]>
