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bh=6Gb5f4ZV3aI2a6P7aJxN28ce8kll/n1k7O4VqaZKICc=; b=AIhJADPrnVm2vZNEj9pWc2o03KkvKIjrZChe65SVvtPb0zLYFaEcCOr09V5bHbyVK7Uu1Q wb/cz1MOWKnmnB7qjgi8TtalOse4zBpNSEx0BuobrLjIz4NsjhsePY9NfUmSMRDwjy7NUX 0d+vBzUP56c8YraebLGICejAhH9zgz0= X-MC-Unique: xg4uoLfMN2-bqW3D0h2ByQ-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 057/115] exec: Propagate cpu_memory_rw_debug() error Date: Thu, 11 Jun 2020 15:43:51 -0400 Message-Id: <20200611194449.31468-58-pbonzini@redhat.com> In-Reply-To: <20200611194449.31468-1-pbonzini@redhat.com> References: <20200611194449.31468-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; 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=205.139.110.120; envelope-from=pbonzini@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/11 14:52:10 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_H4=-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: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) From: Philippe Mathieu-Daud=C3=A9 Do not ignore the MemTxResult error type returned by the address_space_rw() API. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Paolo Bonzini --- exec.c | 12 ++++++++---- include/exec/cpu-all.h | 1 + 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/exec.c b/exec.c index 0e197e53c2..9cbde85d8c 100644 --- a/exec.c +++ b/exec.c @@ -3771,6 +3771,7 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong a= ddr, while (len > 0) { int asidx; MemTxAttrs attrs; + MemTxResult res; =20 page =3D addr & TARGET_PAGE_MASK; phys_addr =3D cpu_get_phys_page_attrs_debug(cpu, page, &attrs); @@ -3783,11 +3784,14 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong= addr, l =3D len; phys_addr +=3D (addr & ~TARGET_PAGE_MASK); if (is_write) { - address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr, - attrs, buf, l); + res =3D address_space_write_rom(cpu->cpu_ases[asidx].as, phys_= addr, + attrs, buf, l); } else { - address_space_read(cpu->cpu_ases[asidx].as, phys_addr, attrs, = buf, - l); + res =3D address_space_read(cpu->cpu_ases[asidx].as, phys_addr, + attrs, buf, l); + } + if (res !=3D MEMTX_OK) { + return -1; } len -=3D l; buf +=3D l; diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index d14374bdd4..fb4e8a8e29 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -413,6 +413,7 @@ void dump_exec_info(void); void dump_opcount_info(void); #endif /* !CONFIG_USER_ONLY */ =20 +/* Returns: 0 on success, -1 on error */ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr, void *ptr, target_ulong len, bool is_write); =20 --=20 2.26.2