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checkpatch.pl warning: It's generally not useful to have the filename in
the file
Remove the filenames.
Signed-off-by: Aldas Taraškevičius <aldas60@gmail.com>
Link: https://lore.kernel.org/r/20210827163203.4100-1-aldas60@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the USB element out of vnt_tx_packet and vnt_beacon_xmit to
vnt_tx_context with sk_buff passed in parameters with the data now
between skb->data and skb->len.
The vnt_tx_usb header is moved from vnt_tx_buffer to usbpipe.h with the
size added to extra_tx_headroom the largest possible size.
The CONTEXT enums types are aligned with usb ones and CONTEXT_MGMT_PACKET
is removed and is never be used.
The skb_push in vnt_tx_packet is now only ever used with
vnt_get_hdr_size with variables tx_bytes and tx_header_size removed.
buf_len in vnt_usb_send_context is no longer used and replaced with
urb->actual_length in vnt_tx_context_complete.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/aa6257eb-1758-4e75-ab39-2a15ff6ffa7c@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use const for the arrays that are used as "read only". Also, modify the
prototype of vnt_control_out_blocks() function to use a pointer to a
const type.
The vnt_vt3184_al2230 array can't be converted to const as it's modified
later.
Then in the vnt_vt3184_init() function use two types of pointers (to
const type and to no const type) to avoid the compiler warning:
assignment discards 'const' qualifiers from pointer target type
This way decrease the .data section and increase the .rodata section
limiting the surface attack.
Before this change:
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drivers/staging/vt6656/baseband.o :
section size addr
.text 1278 0
.data 576 0
.bss 0 0
.rodata 319 0
.comment 45 0
.note.GNU-stack 0 0
.note.gnu.property 32 0
Total 2250
After this change:
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drivers/staging/vt6656/baseband.o :
section size addr
.text 1278 0
.data 256 0
.bss 0 0
.rodata 640 0
.comment 45 0
.note.GNU-stack 0 0
.note.gnu.property 32 0
Total 2251
Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Link: https://lore.kernel.org/r/20200504171414.11307-1-oscar.carter@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move functions vnt_int_process_data and vnt_int_report_rate to
usbpipe.c and vnt_interrupt_data to usbpipe.h
These form part of the USB structure.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/bc21d3d7-81be-4ec1-030e-4e7a45f98238@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The memory buffer is being done twice here as vnt_control_out passes
it straight to kmemdup.
Remove buffer and add const to the variable in vnt_control_out to pass
the pointer to it.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/be025ed0-204d-e957-4bc9-963e841fcb2c@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vnt_control_out appears to fail when BBREG is greater than 64 writes.
Create new function that will relay an array in no larger than
the indicated block size.
It appears that this command has always failed but was ignored by
driver until the introduction of error checking.
Cc: stable <stable@vger.kernel.org> # v5.3+
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/a41f0601-df46-ce6e-ab7c-35e697946e2a@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Avoid discarding called function's returned value. Store it instead in
order to act accordingly.
Update error path to return 0 on success and a negative errno value on
error.
Signed-off-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix checkpatch.pl styling error related to SPDX-License-Identifier
comment in vt6656/*.h
Signed-off-by: Ojaswin Mujoo <ojaswin25111998@gmail.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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