Re: [patch 1/1] drivers/infiniband/sw/siw/siw_qp_rx.c: suppress uninitialized var warning

[Leon Romanovsky <leon@kernel.org>]

On Mon, Mar 23, 2020 at 11:46:27AM -0700, akpm@linux-foundation.org wrote:
> From: Andrew Morton <akpm@linux-foundation.org>
> Subject: drivers/infiniband/sw/siw/siw_qp_rx.c: suppress uninitialized var warning
>
> drivers/infiniband/sw/siw/siw_qp_rx.c: In function siw_proc_send:
> ./include/linux/spinlock.h:288:3: warning: flags may be used uninitialized in this function [-Wmaybe-uninitialized]
>    _raw_spin_unlock_irqrestore(lock, flags); \
>    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/infiniband/sw/siw/siw_qp_rx.c:335:16: note: flags was declared here
>   unsigned long flags;
>
> Cc: Bernard Metzler <bmt@zurich.ibm.com>
> Cc: Doug Ledford <dledford@redhat.com>
> Cc: Jason Gunthorpe <jgg@ziepe.ca>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
>
>  drivers/infiniband/sw/siw/siw_qp_rx.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

It is unclear to me how is that possible.

Thanks,
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>