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Mon, 9 Mar 2026 16:56:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id +DjMKrj7rmlXZAAAD6G6ig (envelope-from ); Mon, 09 Mar 2026 16:56:24 +0000 From: Oliver Neukum To: andrew@lunn.ch, bjorn@mork.no, netdev@vger.kernel.org Cc: Oliver Neukum Subject: [RFCv3 09/13] net: usb: use allocation on demand for usbnet Date: Mon, 9 Mar 2026 17:53:32 +0100 Message-ID: <20260309165614.861929-9-oneukum@suse.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260309165614.861929-1-oneukum@suse.com> References: <20260309165614.861929-1-oneukum@suse.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; 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Signed-off-by: Oliver Neukum --- drivers/net/usb/ax88172a.c | 1 + drivers/net/usb/cdc_mbim.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c index f9b4364e0a0f..489a09759593 100644 --- a/drivers/net/usb/ax88172a.c +++ b/drivers/net/usb/ax88172a.c @@ -355,4 +355,5 @@ const struct driver_info ax88172a_info = { FLAG_MULTI_PACKET, .rx_fixup = ax88172a_rx_fixup, .tx_fixup = asix_tx_fixup, + .required_room = sizeof(struct ax88172a_private), }; diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 5522dc137d45..e319fe37986f 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -557,6 +557,7 @@ static const struct driver_info cdc_mbim_info = { .manage_power = cdc_mbim_manage_power, .rx_fixup = cdc_mbim_rx_fixup, .tx_fixup = cdc_mbim_tx_fixup, + .required_room = sizeof(struct cdc_mbim_state), }; /* MBIM and NCM devices should not need a ZLP after NTBs with @@ -581,6 +582,7 @@ static const struct driver_info cdc_mbim_info_zlp = { .manage_power = cdc_mbim_manage_power, .rx_fixup = cdc_mbim_rx_fixup, .tx_fixup = cdc_mbim_tx_fixup, + .required_room = sizeof(struct cdc_mbim_state), }; /* The spefication explicitly allows NDPs to be placed anywhere in the @@ -601,6 +603,7 @@ static const struct driver_info cdc_mbim_info_ndp_to_end = { .rx_fixup = cdc_mbim_rx_fixup, .tx_fixup = cdc_mbim_tx_fixup, .data = CDC_NCM_FLAG_NDP_TO_END, + .required_room = sizeof(struct cdc_mbim_state), }; /* Some modems (e.g. Telit LE922A6) do not work properly with altsetting @@ -616,6 +619,7 @@ static const struct driver_info cdc_mbim_info_avoid_altsetting_toggle = { .rx_fixup = cdc_mbim_rx_fixup, .tx_fixup = cdc_mbim_tx_fixup, .data = CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE, + .required_room = sizeof(struct cdc_mbim_state), }; static const struct usb_device_id mbim_devs[] = { -- 2.53.0