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authorGustavo A. R. Silva <gustavoars@kernel.org>2022-11-15 15:53:27 -0600
committerKalle Valo <kvalo@kernel.org>2022-11-22 12:14:16 +0200
commit0001650b3d89683bbea0cc3262c2a509dac9e78e (patch)
tree78c4e5f2aae67d338134350036febbe756c51133 /drivers/net/wireless/broadcom
parentf0e0897b4c7eb590581463125c553bd6bb029808 (diff)
wifi: brcmfmac: replace one-element array with flexible-array member in struct brcmf_dload_data_le
One-element arrays are deprecated, and we are replacing them with flexible array members instead. So, replace one-element array with flexible-array member in struct brcmf_dload_data_le. Important to mention is that doing a build before/after this patch results in no binary output differences. This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy() and help us make progress towards globally enabling -fstrict-flex-arrays=3 [1]. Link: https://github.com/KSPP/linux/issues/230 Link: https://github.com/KSPP/linux/issues/79 Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/905f5b68cf93c812360d081caae5b15221db09b6.1668548907.git.gustavoars@kernel.org
Diffstat (limited to 'drivers/net/wireless/broadcom')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c4
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
index 22344e68fd59..2e836566e218 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
@@ -110,7 +110,7 @@ static int brcmf_c_download(struct brcmf_if *ifp, u16 flag,
dload_buf->dload_type = cpu_to_le16(DL_TYPE_CLM);
dload_buf->len = cpu_to_le32(len);
dload_buf->crc = cpu_to_le32(0);
- len = sizeof(*dload_buf) + len - 1;
+ len = sizeof(*dload_buf) + len;
err = brcmf_fil_iovar_data_set(ifp, "clmload", dload_buf, len);
@@ -139,7 +139,7 @@ static int brcmf_c_process_clm_blob(struct brcmf_if *ifp)
return 0;
}
- chunk_buf = kzalloc(sizeof(*chunk_buf) + MAX_CHUNK_LEN - 1, GFP_KERNEL);
+ chunk_buf = kzalloc(sizeof(*chunk_buf) + MAX_CHUNK_LEN, GFP_KERNEL);
if (!chunk_buf) {
err = -ENOMEM;
goto done;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
index 62f65dc6a3b9..04e1beedfd81 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -943,7 +943,7 @@ struct brcmf_dload_data_le {
__le16 dload_type;
__le32 len;
__le32 crc;
- u8 data[1];
+ u8 data[];
};
/**