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Wed, 24 Jun 2020 18:58:05 +0000 (UTC) From: P J P To: Paolo Bonzini Subject: [PATCH v2 4/9] prep: add ppc-parity write method Date: Thu, 25 Jun 2020 00:25:18 +0530 Message-Id: <20200624185523.762240-5-ppandit@redhat.com> In-Reply-To: <20200624185523.762240-1-ppandit@redhat.com> References: <20200624185523.762240-1-ppandit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ppandit@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=207.211.31.81; envelope-from=ppandit@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/24 01:59:40 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Prasad J Pandit , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Li Qiang , QEMU Developers , Lei Sun , Alex Williamson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Prasad J Pandit Add ppc-parity mmio write method to avoid NULL pointer dereference issue. Reported-by: Lei Sun Signed-off-by: Prasad J Pandit --- hw/ppc/prep_systemio.c | 8 ++++++++ 1 file changed, 8 insertions(+) Update v2: use LOG_GUEST_ERROR -> https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg04975.html diff --git a/hw/ppc/prep_systemio.c b/hw/ppc/prep_systemio.c index bbc51b6e9a..03a2f8af6e 100644 --- a/hw/ppc/prep_systemio.c +++ b/hw/ppc/prep_systemio.c @@ -23,6 +23,7 @@ */ #include "qemu/osdep.h" +#include "qemu/log.h" #include "hw/irq.h" #include "hw/isa/isa.h" #include "hw/qdev-properties.h" @@ -235,8 +236,15 @@ static uint64_t ppc_parity_error_readl(void *opaque, hwaddr addr, return val; } +static void ppc_parity_error_writel(void *opaque, hwaddr addr, + uint64_t data, unsigned size) +{ + qemu_log_mask(LOG_GUEST_ERROR, "%s not implemented\n", __func__); +} + static const MemoryRegionOps ppc_parity_error_ops = { .read = ppc_parity_error_readl, + .write = ppc_parity_error_writel, .valid = { .min_access_size = 4, .max_access_size = 4, -- 2.26.2