Re: [PATCH 2/2] ice: drop pf == NULL check in ice_pf_state_is_nominal()
From: Yury Norov <hidden>
Date: 2026-09-05 23:52:58
Also in:
intel-wired-lan, lkml
On Sat, Sep 05, 2026 at 07:32:45PM +0100, Simon Horman wrote:
On Thu, Sep 03, 2026 at 09:20:36AM -0400, Yury Norov wrote:quoted
The function has 3 callers, all except one explicitly require pf != NULL. Add the corresponding check to the remaining caller, and remove it from the ice_pf_state_is_nominal(). It makse the fun function a one-liner. Signed-off-by: Yury Norov <redacted> --- drivers/net/ethernet/intel/ice/ice_lib.c | 3 --- drivers/net/ethernet/intel/ice/ice_main.c | 2 +- 2 files changed, 1 insertion(+), 4 deletions(-)diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 73996e3022ef..6d5b8acc4764 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c@@ -1705,9 +1705,6 @@ static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi) */ bool ice_pf_state_is_nominal(struct ice_pf *pf) { - if (!pf) - return false; - return bitmap_empty(pf->state, ICE_STATE_NOMINAL_CHECK_BITS); }diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index d88835482d3a..168d85f9477f 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c@@ -5521,7 +5521,7 @@ static int ice_suspend(struct device *dev) pf = pci_get_drvdata(pdev); - if (!ice_pf_state_is_nominal(pf)) { + if (!pf || !ice_pf_state_is_nominal(pf)) { dev_err(dev, "Device is not ready, no need to suspend it\n"); return -EBUSY; }Is the new condition necessary in ice_suspend?
IDK. I'm just trying to stay on the safe side. The
ice_pf_state_is_nominal() was safe against pf == NULL,
so I'm trying to preserve the invariant.
If it's impossible, I can do:
if (WARN_ON(!pf) || !ice_pf_state_is_nominal(pf))
This would imply unlikely(), and more verbose than an implied
assumption that pf is never uninitialized.