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linux-next/net/nfc
Krzysztof Kozlowski 35d7a6f1fb nfc: hci: pass callback data param as pointer in nci_request()
The nci_request() receives a callback function and unsigned long data
argument "opt" which is passed to the callback.  Almost all of the
nci_request() callers pass pointer to a stack variable as data argument.
Only few pass scalar value (e.g. u8).

All such callbacks do not modify passed data argument and in previous
commit they were made as const.  However passing pointers via unsigned
long removes the const annotation.  The callback could simply cast
unsigned long to a pointer to writeable memory.

Use "const void *" as type of this "opt" argument to solve this and
prevent modifying the pointed contents.  This is also consistent with
generic pattern of passing data arguments - via "void *".  In few places
which pass scalar values, use casts via "unsigned long" to suppress any
warnings.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-02 15:11:37 +01:00
..
hci nfc: constify local pointer variables 2021-07-30 17:22:52 +02:00
nci nfc: hci: pass callback data param as pointer in nci_request() 2021-08-02 15:11:37 +01:00
af_nfc.c nfc: annotate af_nfc_exit() as __exit 2021-07-30 17:22:51 +02:00
core.c nfc: constify local pointer variables 2021-07-30 17:22:52 +02:00
digital_core.c nfc: constify nfc_digital_ops 2021-07-25 09:21:21 +01:00
digital_dep.c net:nfc:digital: Fix a double free in digital_tg_recv_dep_req 2021-04-27 15:36:10 -07:00
digital_technology.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
digital.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
Kconfig net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
llcp_commands.c nfc: constify several pointers to u8, char and sk_buff 2021-07-30 17:22:52 +02:00
llcp_core.c nfc: constify several pointers to u8, char and sk_buff 2021-07-30 17:22:52 +02:00
llcp_sock.c nfc: fix NULL ptr dereference in llcp_sock_getname() after failed connect 2021-05-31 22:43:27 -07:00
llcp.h nfc: constify several pointers to u8, char and sk_buff 2021-07-30 17:22:52 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netlink.c nfc: constify local pointer variables 2021-07-30 17:22:52 +02:00
nfc.h nfc: constify several pointers to u8, char and sk_buff 2021-07-30 17:22:52 +02:00
rawsock.c net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00