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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::e36; envelope-from=danielhb413@gmail.com; helo=mail-vs1-xe36.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1659569731278100001 We're not storing all GPIO lines we're retrieving with qdev_get_gpio_in() in mal_irqs[]. We're storing just the last one in the first index: for (i =3D 0; i < ARRAY_SIZE(mal_irqs); i++) { mal_irqs[0] =3D qdev_get_gpio_in(uic[2], 3 + i); } ppc4xx_mal_init(env, 4, 16, mal_irqs); mal_irqs is used in ppc4xx_mal_init() to assign the IRQs to MAL: for (i =3D 0; i < 4; i++) { mal->irqs[i] =3D irqs[i]; } Since only irqs[0] has been initialized, mal->irqs[1,2,3] are being zeroed. This doesn=C2=B4t seem to trigger any apparent issues at this moment, but Cedric's QOMification of the MAL device [1] is executing a sysbus_connect_irq() that will fail if we do not store all GPIO lines properly. [1] https://lists.gnu.org/archive/html/qemu-devel/2022-08/msg00497.html Cc: Peter Maydell Cc: BALATON Zoltan Fixes: 706e944206d7 ("hw/ppc/sam460ex: Drop use of ppcuic_init()") Signed-off-by: Daniel Henrique Barboza Acked-by: BALATON Zoltan Reviewed-by: C=C3=A9dric Le Goater --- hw/ppc/sam460ex.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index 7e8da657c2..0357ee077f 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -384,7 +384,7 @@ static void sam460ex_init(MachineState *machine) =20 /* MAL */ for (i =3D 0; i < ARRAY_SIZE(mal_irqs); i++) { - mal_irqs[0] =3D qdev_get_gpio_in(uic[2], 3 + i); + mal_irqs[i] =3D qdev_get_gpio_in(uic[2], 3 + i); } ppc4xx_mal_init(env, 4, 16, mal_irqs); =20 --=20 2.36.1