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dadc0f0f7a
linux/drivers/usb/gadget/function
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Lee Jones dadc0f0f7a usb: gadget: f_tcm: Remove snprintf() from sysfs call-backs and replace with sysfs_emit() 
Since snprintf() has the documented, but still rather strange trait of
returning the length of the data that *would have been* written to the
array if space were available, rather than the arguably more useful
length of data *actually* written, it is usually considered wise to use
something else instead in order to avoid confusion.

In the case of sysfs call-backs, new wrappers exist that do just that.

This patch replaces just one use of snprintf() found in the sysfs
.show() call-back with the new sysfs_emit() helper.

Link: https://lwn.net/Articles/69419/
Link: https://github.com/KSPP/linux/issues/105
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Dmitry Bogdanov <d.bogdanov@yadro.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20231130105459.3208986-6-lee@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-04 22:25:17 +09:00
..
f_acm.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_ecm.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_eem.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_fs.c hardening updates for v6.7-rc1 2023-10-30 19:09:55 -10:00
f_hid.c USB: gadget: f_hid: make hidg_class a static const structure 2023-06-20 16:20:48 +02:00
f_loopback.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_mass_storage.c USB: gadget: f_mass_storage: Fix unused variable warning 2023-08-12 10:06:12 +02:00
f_mass_storage.h
f_midi.c usb: gadget: f_midi: Replace strlcpy() with strscpy() 2023-11-22 12:02:53 +00:00
f_midi2.c usb: gadget: unconditionally allocate hs/ss descriptor in bind operation 2023-08-22 14:48:33 +02:00
f_ncm.c usb: gadget: f_ncm: Always set current gadget in ncm_bind() 2023-10-21 12:54:53 +02:00
f_obex.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_phonet.c usb: gadget: f_phonet: Use struct_size() helper in kzalloc() 2022-01-26 14:01:28 +01:00
f_printer.c USB: gadget: f_printer: make usb_gadget_class a static const structure 2023-06-20 16:20:47 +02:00
f_rndis.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_serial.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_sourcesink.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_subset.c usb: gadget: remove max support speed info in bind operation 2023-08-22 14:48:33 +02:00
f_tcm.c usb: gadget: f_tcm: Remove snprintf() from sysfs call-backs and replace with sysfs_emit() 2023-12-04 22:25:17 +09:00
f_uac1_legacy.c usb: gadget: function: fix missing spinlock in f_uac1_legacy 2020-07-09 10:13:07 +03:00
f_uac1.c usb: gadget: f_uac1: allow changing interface name via configfs 2022-01-26 14:10:40 +01:00
f_uac2.c usb: gadget: f_uac2: allow changing terminal types through configfs 2023-10-05 09:35:43 +02:00
f_uvc.c usb: gadget: uvc: prevent use of disabled endpoint 2023-11-23 12:32:44 +00:00
f_uvc.h usb: gadget: uvc: prevent use of disabled endpoint 2023-11-23 12:32:44 +00:00
g_zero.h
Makefile usb: gadget: Add support for USB MIDI 2.0 function driver 2023-07-26 06:38:14 +02:00
ndis.h
rndis.c usb: gadget: function: rndis: limit # of RNDIS instances to 1000 2022-08-31 09:07:52 +02:00
rndis.h usb: gadget: rndis: add spinlock for rndis response list 2022-02-24 11:16:57 +01:00
storage_common.c usb: gadget: Use kstrtobool() instead of strtobool() 2022-11-03 23:46:01 +09:00
storage_common.h usb: gadget: f_mass_storage: forced_eject attribute 2022-07-14 16:06:42 +02:00
tcm.h
u_audio.c usb: gadget: u_audio: don't let userspace block driver unbind 2023-03-09 14:56:32 +01:00
u_audio.h usb: gadget: u_audio: Add suspend call 2022-01-26 14:06:09 +01:00
u_ecm.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_eem.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_ether_configfs.h USB: gadget: u_ether: Fix a configfs return code 2021-03-10 09:36:12 +01:00
u_ether.c usb: gadget: u_ether: Replace netif_stop_queue with netif_device_detach 2023-10-08 07:50:36 +02:00
u_ether.h usb: gadget: add a inline function gether_bitrate() 2023-08-22 14:48:33 +02:00
u_fs.h usb: gadget: ffs: remove ENTER() macro 2023-03-29 08:55:58 +02:00
u_gether.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_hid.h usb: gadget: f_hid: optional SETUP/SET_REPORT mode 2021-08-24 15:41:08 +02:00
u_midi.h usb: gadget: function: Fix inconsistent indent 2021-05-10 11:16:10 +02:00
u_midi2.h usb: gadget: midi2: More flexible MIDI 1.0 configuration 2023-07-26 06:38:14 +02:00
u_ncm.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_phonet.h usb: gadget: function: Remove unused declarations 2023-08-22 14:45:29 +02:00
u_printer.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_rndis.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_serial.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
u_serial.h usb: gadget: function: Remove unused declarations 2023-08-22 14:45:29 +02:00
u_tcm.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_uac1_legacy.c usb: gadget: Replace runtime->status->state reference to runtime->state 2022-09-27 08:49:52 +02:00
u_uac1_legacy.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
u_uac1.h usb: gadget: f_uac1: allow changing interface name via configfs 2022-01-26 14:10:40 +01:00
u_uac2.h usb: gadget: f_uac2: allow changing terminal types through configfs 2023-10-05 09:35:43 +02:00
u_uvc.h usb: gadget: uvc: Allow linking function to string descs 2023-02-07 08:46:37 +01:00
uac_common.h usb: gadget: u_audio: Support multiple sampling rates 2022-01-26 14:06:08 +01:00
uvc_configfs.c usb: gadget: uvc: Make bmControls attr read/write 2023-03-29 08:51:26 +02:00
uvc_configfs.h usb: gadget: uvc: Allow linking XUs to string descriptors 2023-02-07 08:46:37 +01:00
uvc_queue.c Revert "usb: gadget: uvc: limit isoc_sg to super speed gadgets" 2022-10-26 14:09:06 +02:00
uvc_queue.h usb: gadget: uvc: rework uvcg_queue_next_buffer to uvcg_complete_buffer 2022-04-21 18:15:33 +02:00
uvc_v4l2.c usb: gadget: uvc: Fix use-after-free for inflight usb_requests 2023-11-23 12:32:44 +00:00
uvc_v4l2.h USB: gadget: Use the correct style for SPDX License Identifier 2020-05-05 10:58:49 +03:00
uvc_video.c usb:gadget:uvc Do not use worker thread to pump isoc usb requests 2023-11-23 12:32:44 +00:00
uvc_video.h usb: gadget: uvc: move video disable logic to its own function 2023-11-23 12:32:44 +00:00
uvc.h usb:gadget:uvc Do not use worker thread to pump isoc usb requests 2023-11-23 12:32:44 +00:00