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From: Eliot Courtney <ecourtney@nvidia.com>
To: Danilo Krummrich <dakr@kernel.org>,
	Alice Ryhl <aliceryhl@google.com>,
	Alexandre Courbot <acourbot@nvidia.com>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: John Hubbard <jhubbard@nvidia.com>,
	Alistair Popple <apopple@nvidia.com>,
	Timur Tabi <ttabi@nvidia.com>,
	nova-gpu@lists.linux.dev, rust-for-linux@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Eliot Courtney <ecourtney@nvidia.com>
Subject: [PATCH v5 17/22] gpu: nova-core: vbios: use let-else in Vbios::new
Date: Mon, 25 May 2026 22:57:35 +0900	[thread overview]
Message-ID: <20260525-fix-vbios-v5-17-e5e455251537@nvidia.com> (raw)
In-Reply-To: <20260525-fix-vbios-v5-0-e5e455251537@nvidia.com>

Improve readability by moving the success path outside of a nested
branch.

Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
---
 drivers/gpu/nova-core/vbios.rs | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/nova-core/vbios.rs b/drivers/gpu/nova-core/vbios.rs
index 5266e15793cf..52e33fdd4f5d 100644
--- a/drivers/gpu/nova-core/vbios.rs
+++ b/drivers/gpu/nova-core/vbios.rs
@@ -352,18 +352,18 @@ pub(crate) fn new(dev: &device::Device, bar0: &Bar0) -> Result<Vbios> {
         }
 
         // Using all the images, setup the falcon data pointer in Fwsec.
-        if let (Some(pci_at), Some(fwsec_section)) = (pci_at_image, fwsec_section) {
-            let fwsec_image = FwSecBiosImage::new(dev, pci_at, fwsec_section)
-                .inspect_err(|e| dev_err!(dev, "Falcon data setup failed: {:?}\n", e))?;
-
-            Ok(Vbios { fwsec_image })
-        } else {
+        let (Some(pci_at), Some(fwsec_section)) = (pci_at_image, fwsec_section) else {
             dev_err!(
                 dev,
                 "Missing required images for falcon data setup, skipping\n"
             );
-            Err(EINVAL)
-        }
+            return Err(EINVAL);
+        };
+
+        let fwsec_image = FwSecBiosImage::new(dev, pci_at, fwsec_section)
+            .inspect_err(|e| dev_err!(dev, "Falcon data setup failed: {:?}\n", e))?;
+
+        Ok(Vbios { fwsec_image })
     }
 
     pub(crate) fn fwsec_image(&self) -> &FwSecBiosImage {

-- 
2.54.0


  parent reply	other threads:[~2026-05-25 13:59 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-25 13:57 [PATCH v5 00/22] gpu: nova-core: vbios: harden various array accesses and refactor Eliot Courtney
2026-05-25 13:57 ` [PATCH v5 01/22] gpu: nova-core: vbios: stop scanning at BIOS_MAX_SCAN_LEN Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 02/22] gpu: nova-core: vbios: use checked arithmetic for bios image range end Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 03/22] gpu: nova-core: vbios: avoid reading too far in read_more_at_offset Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 04/22] gpu: nova-core: vbios: read BitToken using FromBytes Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 05/22] gpu: nova-core: vbios: use checked ops and accesses in `FwSecBiosImage::ucode` Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 06/22] gpu: nova-core: vbios: use checked access in `FwSecBiosImage::header` Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 07/22] gpu: nova-core: vbios: use checked accesses in `setup_falcon_data` Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 08/22] gpu: nova-core: vbios: drop unused falcon_data_offset from FwSecBiosBuilder Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 09/22] gpu: nova-core: vbios: keep PmuLookupTable local in setup_falcon_data Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 10/22] gpu: nova-core: vbios: compute FWSEC-relative Falcon data offset Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 11/22] gpu: nova-core: vbios: simplify setup_falcon_data Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 12/22] gpu: nova-core: vbios: read PMU lookup entries using FromBytes Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 13/22] gpu: nova-core: vbios: store PMU lookup entries in a KVVec Eliot Courtney
2026-05-25 14:29   ` Danilo Krummrich
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 14/22] gpu: nova-core: vbios: construct `FwSecBiosImage` directly from BIOS images Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 15/22] gpu: nova-core: vbios: use the first PCI-AT image Eliot Courtney
2026-05-25 14:46   ` Danilo Krummrich
2026-05-25 18:02     ` Miguel Ojeda
2026-05-25 18:08       ` Danilo Krummrich
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 16/22] gpu: nova-core: vbios: use single logical block for the FWSEC section Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` Eliot Courtney [this message]
2026-05-25 21:03   ` Claude review: gpu: nova-core: vbios: use let-else in Vbios::new Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 18/22] gpu: nova-core: vbios: remove unnecessary fields in PciRomHeader Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 19/22] gpu: nova-core: vbios: drop unused image wrappers Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 20/22] gpu: nova-core: vbios: drop redundant TryFrom import Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 21/22] gpu: nova-core: vbios: move constants and functions to be associated Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 13:57 ` [PATCH v5 22/22] gpu: nova-core: vbios: remove unused rom_header field Eliot Courtney
2026-05-25 21:03   ` Claude review: " Claude Code Review Bot
2026-05-25 18:35 ` [PATCH v5 00/22] gpu: nova-core: vbios: harden various array accesses and refactor Danilo Krummrich
2026-05-25 18:37 ` Danilo Krummrich
2026-05-25 21:03 ` Claude review: " Claude Code Review Bot

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