drivers/net/wireless/ath/ath11k/mac.c:2238:29: warning: 'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size 0

From: Naresh Kamboju
Date: Wed Sep 21 2022 - 06:35:58 EST


Following build warnings noticed while building arm64 on Linux next-20220921

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

In function 'ath11k_peer_assoc_h_he',
inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2238:29: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
2238 | v = ath11k_peer_assoc_h_he_limit(v,
he_mcs_mask);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2238:29: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2251:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
2251 | v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2251:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2264:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
2264 | v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2264:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2264:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
2264 | v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2264:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2264:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
2264 | v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2264:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2251:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
2251 | v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2251:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Build log: https://builds.tuxbuild.com/2F4W7nZHNx3T88RB0gaCZ9hBX6c/

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https://lkft.linaro.org