RE: [Intel-wired-lan] [PATCH] ixgbe: Fix an error handling path in ixgbe_read_iosf_sb_reg_x550()

[Pucha, HimasekharX Reddy]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of Christophe JAILLET
> Sent: Saturday, January 20, 2024 10:56 PM
> To: Brandeburg, Jesse <jesse.brandeburg@xxxxxxxxx>; Nguyen, Anthony L <anthony.l.nguyen@xxxxxxxxx>; David S. Miller <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>; Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>; Rustad, Mark D <mark.d.rustad@xxxxxxxxx>
> Cc: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>; intel-wired-lan@xxxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx
> Subject: [Intel-wired-lan] [PATCH] ixgbe: Fix an error handling path in ixgbe_read_iosf_sb_reg_x550()
>
> All error handling paths, except this one, go to 'out' where
> release_swfw_sync() is called.
> This call balances the acquire_swfw_sync() call done at the beginning of
> the function.
>
> Branch to the error handling path in order to correctly release some
> resources in case of error.
>
> Fixes: ae14a1d8e104 ("ixgbe: Fix IOSF SB access issues")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> This patch is speculative, review with care.
> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>

Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@xxxxxxxxx> (A Contingent worker at Intel)