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bh=3dK0oZTvcqn0RlRQ+2sj7u85Oit8BnOYCOjlvqO3HYw=; b=HJXf3VNJZ7dEDGlFXfCyK0VSo/rHxgfKu8ALNVHpcK273EuavkzjOi6aL0y6yNoNkumD/T YVP0kXXG/onTT2cLiGwF3sfIwZ2a66A8UrHEDAKA0lNp19NNNos+Ipv4CwSa31LEsHk8Qz VTGrm8efynpBB0tD9XntDAZmA0+OzoE= X-MC-Unique: _L05SnoBM_ecmTfv0jphcg-1 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org, Peter Xu , Fabiano Rosas Cc: Alex Williamson , Avihai Horon , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Markus Armbruster , Prasad Pandit , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH for-9.1 v5 13/14] migration: Add Error** argument to xbzrle_init() Date: Wed, 20 Mar 2024 07:49:09 +0100 Message-ID: <20240320064911.545001-14-clg@redhat.com> In-Reply-To: <20240320064911.545001-1-clg@redhat.com> References: <20240320064911.545001-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 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=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.422, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1710917515273100009 Since the return value (-ENOMEM) is not exploited, follow the recommendations of qapi/error.h and change it to a bool Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: Fabiano Rosas --- migration/ram.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 26ce11a3379056d38062c1fb63166c6e3155bd8c..70797ef5d80c6ccf61fee987bbe= 3969041664c69 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2727,44 +2727,41 @@ int ram_discard_range(const char *rbname, uint64_t = start, size_t length) * For every allocation, we will try not to crash the VM if the * allocation failed. */ -static int xbzrle_init(void) +static bool xbzrle_init(Error **errp) { - Error *local_err =3D NULL; - if (!migrate_xbzrle()) { - return 0; + return true; } =20 XBZRLE_cache_lock(); =20 XBZRLE.zero_target_page =3D g_try_malloc0(TARGET_PAGE_SIZE); if (!XBZRLE.zero_target_page) { - error_report("%s: Error allocating zero page", __func__); + error_setg(errp, "%s: Error allocating zero page", __func__); goto err_out; } =20 XBZRLE.cache =3D cache_init(migrate_xbzrle_cache_size(), - TARGET_PAGE_SIZE, &local_err); + TARGET_PAGE_SIZE, errp); if (!XBZRLE.cache) { - error_report_err(local_err); goto free_zero_page; } =20 XBZRLE.encoded_buf =3D g_try_malloc0(TARGET_PAGE_SIZE); if (!XBZRLE.encoded_buf) { - error_report("%s: Error allocating encoded_buf", __func__); + error_setg(errp, "%s: Error allocating encoded_buf", __func__); goto free_cache; } =20 XBZRLE.current_buf =3D g_try_malloc(TARGET_PAGE_SIZE); if (!XBZRLE.current_buf) { - error_report("%s: Error allocating current_buf", __func__); + error_setg(errp, "%s: Error allocating current_buf", __func__); goto free_encoded_buf; } =20 /* We are all good */ XBZRLE_cache_unlock(); - return 0; + return true; =20 free_encoded_buf: g_free(XBZRLE.encoded_buf); @@ -2777,7 +2774,7 @@ free_zero_page: XBZRLE.zero_target_page =3D NULL; err_out: XBZRLE_cache_unlock(); - return -ENOMEM; + return false; } =20 static bool ram_state_init(RAMState **rsp, Error **errp) @@ -2904,7 +2901,8 @@ static int ram_init_all(RAMState **rsp) return -1; } =20 - if (xbzrle_init()) { + if (!xbzrle_init(&local_err)) { + error_report_err(local_err); ram_state_cleanup(rsp); return -1; } --=20 2.44.0