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([39.120.225.141]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-30f365b2d80sm13795313a91.4.2025.05.27.02.35.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 May 2025 02:35:34 -0700 (PDT) From: Gyeyoung Baek To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Gyeyoung Baek Subject: [PATCH] irq: Fix uninitialized pointers Date: Tue, 27 May 2025 18:35:30 +0900 Message-ID: <20250527093530.958801-1-gye976@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Fix uninitialized `ops` member's pointers to avoid kernel Oops in `irq_sim_= request_resources()`. Signed-off-by: Gyeyoung Baek --- kernel/irq/irq_sim.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c index 1a3d483548e2..67fd1de5d197 100644 --- a/kernel/irq/irq_sim.c +++ b/kernel/irq/irq_sim.c @@ -222,8 +222,12 @@ struct irq_domain *irq_domain_create_sim_full(struct f= wnode_handle *fwnode, work_ctx->pending =3D no_free_ptr(pending); work_ctx->user_data =3D data; =20 - if (ops) + if (ops) { memcpy(&work_ctx->ops, ops, sizeof(*ops)); + } else { + work_ctx->ops.irq_sim_irq_released =3D NULL; + work_ctx->ops.irq_sim_irq_requested =3D NULL; + } =20 return no_free_ptr(work_ctx)->domain; } --=20 2.43.0