6.9-stable review patch. If anyone has any objections, please let me know.
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From: Csókás, Bence csokas.bence@prolan.hu
[ Upstream commit e96b2933152fd87b6a41765b2f58b158fde855b6 ]
If the module is in SFP_MOD_ERROR, `sfp_sm_mod_remove()` will not be run. As a consequence, `sfp_hwmon_remove()` is not getting run either, leaving a stale `hwmon` device behind. `sfp_sm_mod_remove()` itself checks `sfp->sm_mod_state` anyways, so this check was not really needed in the first place.
Fixes: d2e816c0293f ("net: sfp: handle module remove outside state machine") Signed-off-by: "Csókás, Bence" csokas.bence@prolan.hu Reviewed-by: Andrew Lunn andrew@lunn.ch Link: https://lore.kernel.org/r/20240605084251.63502-1-csokas.bence@prolan.hu Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/phy/sfp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index f75c9eb3958ef..d999d9baadb26 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -2418,8 +2418,7 @@ static void sfp_sm_module(struct sfp *sfp, unsigned int event)
/* Handle remove event globally, it resets this state machine */ if (event == SFP_E_REMOVE) { - if (sfp->sm_mod_state > SFP_MOD_PROBE) - sfp_sm_mod_remove(sfp); + sfp_sm_mod_remove(sfp); sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); return; }