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drivers/net/wireless: Fix gcc-10 -Wrestrict
Fixes errors such as: drivers/net/wireless/rtl8821cu/os_dep/linux/ioctl_mp.c: In function 'rtw_mp_txpower_index': drivers/net/wireless/rtl8821cu/os_dep/linux/ioctl_mp.c:573:4: warning: 'sprintf' argument 3 overlaps destination object 'extra' [-Wrestrict] error, forbidden warning:ioctl_mp.c:573 573 | sprintf(extra, "%s,pathb=%d", extra, txpower_inx); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/rtl8821cu/os_dep/linux/ioctl_mp.c:546:34: note: destination object referenced by 'restrict'-qualified argument 1 was declared here 546 | struct iw_point *wrqu, char *extra) | ~~~~~~^~~~~ Signed-off-by: Gleb Mazovetskiy <[email protected]>
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22 files changed

+879
-776
lines changed

22 files changed

+879
-776
lines changed

‎drivers/net/wireless/ew-7611ulb/os_dep/linux/ioctl_mp.c

Lines changed: 9 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1719,7 +1719,7 @@ int rtw_mp_tx(struct net_device *dev,
17191719
char *pextra = extra;
17201720
RTW_INFO("Got format [ch=%d,bw=%d,rate=%d,pwr=%d,ant=%d,tx=%d]\n", channel, bandwidth, rate, txpower, ant, txmode);
17211721
_rtw_memset(extra, 0, wrqu->data.length);
1722-
sprintf(extra, "Change Current channel %d to channel %d", padapter->mppriv.channel , channel);
1722+
extra_len = sprintf(extra, "Change Current channel %d to channel %d", padapter->mppriv.channel , channel);
17231723
padapter->mppriv.channel = channel;
17241724
SetChannel(padapter);
17251725
pHalData->current_channel = channel;
@@ -2074,6 +2074,7 @@ int rtw_efuse_mask_file(struct net_device *dev,
20742074
u8 count = 0;
20752075
u8 i = 0;
20762076
u32 datalen = 0;
2077+
size_t extra_len;
20772078

20782079
ptmp = extra;
20792080
pch = strsep(&ptmp, ",");
@@ -2099,12 +2100,13 @@ int rtw_efuse_mask_file(struct net_device *dev,
20992100

21002101
} while (count < 64);
21012102

2103+
extra_len = strlen(extra);
21022104
for (i = 0; i < count; i++)
2103-
sprintf(extra, "%s:%02x", extra, maskfileBuffer[i]);
2105+
extra_len += sprintf(extra + extra_len, ":%02x", maskfileBuffer[i]);
21042106

21052107
padapter->registrypriv.bFileMaskEfuse = _TRUE;
21062108

2107-
sprintf(extra, "%s\nLoad Efuse Mask data %d hex ok\n", extra, count);
2109+
extra_len += sprintf(extra + extra_len, "\nLoad Efuse Mask data %d hex ok\n", count);
21082110
wrqu->data.length = strlen(extra);
21092111
return 0;
21102112
}
@@ -2522,16 +2524,18 @@ int rtw_mp_SetBT(struct net_device *dev,
25222524
mptbt_BtControlProcess(padapter, &BtReq);
25232525

25242526
if (readtherm == 0) {
2527+
size_t extra_len;
25252528
sprintf(extra, "BT thermal=");
25262529
for (i = 4; i < pMptCtx->mptOutLen; i++) {
25272530
if ((pMptCtx->mptOutBuf[i] == 0x00) && (pMptCtx->mptOutBuf[i + 1] == 0x00))
25282531
goto exit;
25292532

2530-
sprintf(extra, "%s %d ", extra, (pMptCtx->mptOutBuf[i] & 0x1f));
2533+
extra_len += sprintf(extra + extra_len, " %d ", (pMptCtx->mptOutBuf[i] & 0x1f));
25312534
}
25322535
} else {
2536+
size_t extra_len;
25332537
for (i = 4; i < pMptCtx->mptOutLen; i++)
2534-
sprintf(extra, "%s 0x%x ", extra, pMptCtx->mptOutBuf[i]);
2538+
extra_len += sprintf(extra + extra_len, " 0x%x ", pMptCtx->mptOutBuf[i]);
25352539
}
25362540

25372541
exit:

‎drivers/net/wireless/rockchip_wlan/rtl8188eu/os_dep/linux/ioctl_linux.c

Lines changed: 76 additions & 69 deletions
Original file line numberDiff line numberDiff line change
@@ -9034,6 +9034,7 @@ static int rtw_mp_efuse_get(struct net_device *dev,
90349034
u16 mask_len;
90359035
u8 mask_buf[64] = "";
90369036
int err;
9037+
size_t extra_len;
90379038
#ifdef CONFIG_IOL
90389039
u8 org_fw_iol = padapter->registrypriv.fw_iol;/* 0:Disable, 1:enable, 2:by usb speed */
90399040
#endif
@@ -9108,18 +9109,18 @@ static int rtw_mp_efuse_get(struct net_device *dev,
91089109
} else
91099110
drvmaporder = 0;
91109111

9111-
sprintf(extra, "\n");
9112+
extra_len = sprintf(extra, "\n");
91129113
for (i = 0; i < cnt; i += 16) {
9113-
sprintf(extra, "%s0x%02x\t", extra, shift + i);
9114+
extra_len += sprintf(extra + extra_len, "0x%02x\t", shift + i);
91149115
for (j = 0; j < 8; j++)
9115-
sprintf(extra, "%s%02X ", extra, efuse[i + j]);
9116-
sprintf(extra, "%s\t", extra);
9116+
extra_len += sprintf(extra + extra_len, "%02X ", efuse[i + j]);
9117+
extra_len += sprintf(extra + extra_len, "\t");
91179118
for (; j < 16; j++)
9118-
sprintf(extra, "%s%02X ", extra, efuse[i + j]);
9119-
sprintf(extra, "%s\n", extra);
9119+
extra_len += sprintf(extra + extra_len, "%02X ", efuse[i + j]);
9120+
extra_len += sprintf(extra + extra_len, "\n");
91209121
}
91219122
if ((shift + cnt) < mapLen)
9122-
sprintf(extra, "%s\t...more (left:%d/%d)\n", extra, mapLen-(shift + cnt), mapLen);
9123+
extra_len += sprintf(extra + extra_len, "\t...more (left:%d/%d)\n", mapLen-(shift + cnt), mapLen);
91239124

91249125
} else if (strcmp(tmp[0], "realmap") == 0) {
91259126
static u8 order = 0;
@@ -9158,18 +9159,18 @@ static int rtw_mp_efuse_get(struct net_device *dev,
91589159
} else
91599160
order = 0;
91609161

9161-
sprintf(extra, "\n");
9162+
extra_len = sprintf(extra, "\n");
91629163
for (i = 0; i < cnt; i += 16) {
9163-
sprintf(extra, "%s0x%02x\t", extra, shift + i);
9164+
extra_len += sprintf(extra + extra_len, "0x%02x\t", shift + i);
91649165
for (j = 0; j < 8; j++)
9165-
sprintf(extra, "%s%02X ", extra, efuse[i + j]);
9166-
sprintf(extra, "%s\t", extra);
9166+
extra_len += sprintf(extra + extra_len, "%02X ", efuse[i + j]);
9167+
extra_len += sprintf(extra + extra_len, "\t");
91679168
for (; j < 16; j++)
9168-
sprintf(extra, "%s%02X ", extra, efuse[i + j]);
9169-
sprintf(extra, "%s\n", extra);
9169+
extra_len += sprintf(extra + extra_len, "%02X ", efuse[i + j]);
9170+
extra_len += sprintf(extra + extra_len, "\n");
91709171
}
91719172
if ((shift + cnt) < mapLen)
9172-
sprintf(extra, "%s\t...more (left:%d/%d)\n", extra, mapLen-(shift + cnt), mapLen);
9173+
extra_len += sprintf(extra + extra_len, "\t...more (left:%d/%d)\n", mapLen-(shift + cnt), mapLen);
91739174
} else if (strcmp(tmp[0], "rmap") == 0) {
91749175
if ((tmp[1] == NULL) || (tmp[2] == NULL)) {
91759176
RTW_INFO("%s: rmap Fail!! Parameters error!\n", __FUNCTION__);
@@ -9204,9 +9205,10 @@ static int rtw_mp_efuse_get(struct net_device *dev,
92049205

92059206
/* RTW_INFO("%s: data={", __FUNCTION__); */
92069207
*extra = 0;
9208+
extra_len = 0;
92079209
for (i = 0; i < cnts; i++) {
92089210
/* RTW_INFO("0x%02x ", data[i]); */
9209-
sprintf(extra, "%s0x%02X ", extra, data[i]);
9211+
extra_len += sprintf(extra + extra_len, "0x%02X ", data[i]);
92109212
}
92119213
/* RTW_INFO("}\n"); */
92129214
} else if (strcmp(tmp[0], "realraw") == 0) {
@@ -9235,18 +9237,18 @@ static int rtw_mp_efuse_get(struct net_device *dev,
92359237
} else
92369238
raw_order = 0;
92379239

9238-
sprintf(extra, "\n");
9240+
extra_len = sprintf(extra, "\n");
92399241
for (i = 0; i < cnt; i += 16) {
9240-
sprintf(extra, "%s0x%02x\t", extra, shift + i);
9242+
extra_len += sprintf(extra + extra_len, "0x%02x\t", shift + i);
92419243
for (j = 0; j < 8; j++)
9242-
sprintf(extra, "%s%02X ", extra, rawdata[i + j]);
9243-
sprintf(extra, "%s\t", extra);
9244+
extra_len += sprintf(extra + extra_len, "%02X ", rawdata[i + j]);
9245+
extra_len += sprintf(extra + extra_len, "\t");
92449246
for (; j < 16; j++)
9245-
sprintf(extra, "%s%02X ", extra, rawdata[i + j]);
9246-
sprintf(extra, "%s\n", extra);
9247+
extra_len += sprintf(extra + extra_len, "%02X ", rawdata[i + j]);
9248+
extra_len += sprintf(extra + extra_len, "\n");
92479249
}
92489250
if ((shift + cnt) < mapLen)
9249-
sprintf(extra, "%s\t...more (left:%d/%d)\n", extra, mapLen-(shift + cnt), mapLen);
9251+
extra_len += sprintf(extra + extra_len, "\t...more (left:%d/%d)\n", mapLen-(shift + cnt), mapLen);
92509252

92519253
} else if (strcmp(tmp[0], "btrealraw") == 0) {
92529254
static u8 bt_raw_order = 0;
@@ -9282,18 +9284,18 @@ static int rtw_mp_efuse_get(struct net_device *dev,
92829284
} else
92839285
bt_raw_order = 0;
92849286

9285-
sprintf(extra, "\n");
9287+
extra_len = sprintf(extra, "\n");
92869288
for (i = 0; i < cnt; i += 16) {
9287-
sprintf(extra, "%s0x%02x\t", extra, shift + i);
9289+
extra_len += sprintf(extra + extra_len, "0x%02x\t", shift + i);
92889290
for (j = 0; j < 8; j++)
9289-
sprintf(extra, "%s%02X ", extra, rawdata[i + j]);
9290-
sprintf(extra, "%s\t", extra);
9291+
extra_len += sprintf(extra + extra_len, "%02X ", rawdata[i + j]);
9292+
extra_len += sprintf(extra + extra_len, "\t");
92919293
for (; j < 16; j++)
9292-
sprintf(extra, "%s%02X ", extra, rawdata[i + j]);
9293-
sprintf(extra, "%s\n", extra);
9294+
extra_len += sprintf(extra + extra_len, "%02X ", rawdata[i + j]);
9295+
extra_len += sprintf(extra + extra_len, "\n");
92949296
}
92959297
if ((shift + cnt) < mapLen)
9296-
sprintf(extra, "%s\t...more (left:%d/%d)\n", extra, mapLen-(shift + cnt), mapLen);
9298+
extra_len += sprintf(extra + extra_len, "\t...more (left:%d/%d)\n", mapLen-(shift + cnt), mapLen);
92979299

92989300
} else if (strcmp(tmp[0], "mac") == 0) {
92999301
if (hal_efuse_macaddr_offset(padapter) == -1) {
@@ -9319,12 +9321,13 @@ static int rtw_mp_efuse_get(struct net_device *dev,
93199321

93209322
/* RTW_INFO("%s: MAC address={", __FUNCTION__); */
93219323
*extra = 0;
9324+
extra_len = 0;
93229325
for (i = 0; i < cnts; i++) {
93239326
/* RTW_INFO("%02X", data[i]); */
9324-
sprintf(extra, "%s%02X", extra, data[i]);
9327+
extra_len += sprintf(extra + extra_len, "%02X", data[i]);
93259328
if (i != (cnts - 1)) {
93269329
/* RTW_INFO(":"); */
9327-
sprintf(extra, "%s:", extra);
9330+
extra_len += sprintf(extra + extra_len, ":");
93289331
}
93299332
}
93309333
/* RTW_INFO("}\n"); */
@@ -9382,12 +9385,13 @@ static int rtw_mp_efuse_get(struct net_device *dev,
93829385

93839386
/* RTW_INFO("%s: {VID,PID}={", __FUNCTION__); */
93849387
*extra = 0;
9388+
extra_len = 0;
93859389
for (i = 0; i < cnts; i++) {
93869390
/* RTW_INFO("0x%02x", data[i]); */
9387-
sprintf(extra, "%s0x%02X", extra, data[i]);
9391+
extra_len += sprintf(extra + extra_len, "0x%02X", data[i]);
93889392
if (i != (cnts - 1)) {
93899393
/* RTW_INFO(","); */
9390-
sprintf(extra, "%s,", extra);
9394+
extra_len += sprintf(extra + extra_len, ",");
93919395
}
93929396
}
93939397
/* RTW_INFO("}\n"); */
@@ -9415,22 +9419,22 @@ static int rtw_mp_efuse_get(struct net_device *dev,
94159419
}
94169420

94179421
/* RTW_INFO("OFFSET\tVALUE(hex)\n"); */
9418-
sprintf(extra, "\n");
9422+
extra_len = sprintf(extra, "\n");
94199423
for (i = 0; i < 512; i += 16) { /* set 512 because the iwpriv's extra size have limit 0x7FF */
94209424
/* RTW_INFO("0x%03x\t", i); */
9421-
sprintf(extra, "%s0x%03x\t", extra, i);
9425+
extra_len += sprintf(extra + extra_len, "0x%03x\t", i);
94229426
for (j = 0; j < 8; j++) {
94239427
/* RTW_INFO("%02X ", pEfuseHal->BTEfuseInitMap[i+j]); */
9424-
sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i + j]);
9428+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->BTEfuseInitMap[i + j]);
94259429
}
94269430
/* RTW_INFO("\t"); */
9427-
sprintf(extra, "%s\t", extra);
9431+
extra_len += sprintf(extra + extra_len, "\t");
94289432
for (; j < 16; j++) {
94299433
/* RTW_INFO("%02X ", pEfuseHal->BTEfuseInitMap[i+j]); */
9430-
sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i + j]);
9434+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->BTEfuseInitMap[i + j]);
94319435
}
94329436
/* RTW_INFO("\n"); */
9433-
sprintf(extra, "%s\n", extra);
9437+
extra_len += sprintf(extra + extra_len, "\n");
94349438
}
94359439
/* RTW_INFO("\n"); */
94369440
} else if (strcmp(tmp[0], "btbmap") == 0) {
@@ -9444,22 +9448,22 @@ static int rtw_mp_efuse_get(struct net_device *dev,
94449448
}
94459449

94469450
/* RTW_INFO("OFFSET\tVALUE(hex)\n"); */
9447-
sprintf(extra, "\n");
9451+
extra_len = sprintf(extra, "\n");
94489452
for (i = 512; i < 1024 ; i += 16) {
94499453
/* RTW_INFO("0x%03x\t", i); */
9450-
sprintf(extra, "%s0x%03x\t", extra, i);
9454+
extra_len += sprintf(extra + extra_len, "0x%03x\t", i);
94519455
for (j = 0; j < 8; j++) {
94529456
/* RTW_INFO("%02X ", data[i+j]); */
9453-
sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i + j]);
9457+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->BTEfuseInitMap[i + j]);
94549458
}
94559459
/* RTW_INFO("\t"); */
9456-
sprintf(extra, "%s\t", extra);
9460+
extra_len += sprintf(extra + extra_len, "\t");
94579461
for (; j < 16; j++) {
94589462
/* RTW_INFO("%02X ", data[i+j]); */
9459-
sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i + j]);
9463+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->BTEfuseInitMap[i + j]);
94609464
}
94619465
/* RTW_INFO("\n"); */
9462-
sprintf(extra, "%s\n", extra);
9466+
extra_len += sprintf(extra + extra_len, "\n");
94639467
}
94649468
/* RTW_INFO("\n"); */
94659469
} else if (strcmp(tmp[0], "btrmap") == 0) {
@@ -9507,51 +9511,52 @@ static int rtw_mp_efuse_get(struct net_device *dev,
95079511
}
95089512

95099513
*extra = 0;
9514+
extra_len = 0;
95109515
/* RTW_INFO("%s: bt efuse data={", __FUNCTION__); */
95119516
for (i = 0; i < cnts; i++) {
95129517
/* RTW_INFO("0x%02x ", data[i]); */
9513-
sprintf(extra, "%s 0x%02X ", extra, data[i]);
9518+
extra_len += sprintf(extra + extra_len, " 0x%02X ", data[i]);
95149519
}
95159520
/* RTW_INFO("}\n"); */
95169521
RTW_INFO(FUNC_ADPT_FMT ": BT MAC=[%s]\n", FUNC_ADPT_ARG(padapter), extra);
95179522
} else if (strcmp(tmp[0], "btffake") == 0) {
95189523
/* RTW_INFO("OFFSET\tVALUE(hex)\n"); */
9519-
sprintf(extra, "\n");
9524+
extra_len = sprintf(extra, "\n");
95209525
for (i = 0; i < 512; i += 16) {
95219526
/* RTW_INFO("0x%03x\t", i); */
9522-
sprintf(extra, "%s0x%03x\t", extra, i);
9527+
extra_len += sprintf(extra + extra_len, "0x%03x\t", i);
95239528
for (j = 0; j < 8; j++) {
95249529
/* RTW_INFO("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]); */
9525-
sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
9530+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
95269531
}
95279532
/* RTW_INFO("\t"); */
9528-
sprintf(extra, "%s\t", extra);
9533+
extra_len += sprintf(extra + extra_len, "\t");
95299534
for (; j < 16; j++) {
95309535
/* RTW_INFO("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]); */
9531-
sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
9536+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
95329537
}
95339538
/* RTW_INFO("\n"); */
9534-
sprintf(extra, "%s\n", extra);
9539+
extra_len += sprintf(extra + extra_len, "\n");
95359540
}
95369541
/* RTW_INFO("\n"); */
95379542
} else if (strcmp(tmp[0], "btbfake") == 0) {
95389543
/* RTW_INFO("OFFSET\tVALUE(hex)\n"); */
9539-
sprintf(extra, "\n");
9544+
extra_len = sprintf(extra, "\n");
95409545
for (i = 512; i < 1024; i += 16) {
95419546
/* RTW_INFO("0x%03x\t", i); */
9542-
sprintf(extra, "%s0x%03x\t", extra, i);
9547+
extra_len += sprintf(extra + extra_len, "0x%03x\t", i);
95439548
for (j = 0; j < 8; j++) {
95449549
/* RTW_INFO("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]); */
9545-
sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
9550+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
95469551
}
95479552
/* RTW_INFO("\t"); */
9548-
sprintf(extra, "%s\t", extra);
9553+
extra_len += sprintf(extra + extra_len, "\t");
95499554
for (; j < 16; j++) {
95509555
/* RTW_INFO("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]); */
9551-
sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
9556+
extra_len += sprintf(extra + extra_len, "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i + j]);
95529557
}
95539558
/* RTW_INFO("\n"); */
9554-
sprintf(extra, "%s\n", extra);
9559+
extra_len += sprintf(extra + extra_len, "\n");
95559560
}
95569561
/* RTW_INFO("\n"); */
95579562
} else if (strcmp(tmp[0], "wlrfkmap") == 0) {
@@ -9572,18 +9577,18 @@ static int rtw_mp_efuse_get(struct net_device *dev,
95729577
} else
95739578
fk_order = 0;
95749579

9575-
sprintf(extra, "\n");
9580+
extra_len = sprintf(extra, "\n");
95769581
for (i = 0; i < cnt; i += 16) {
9577-
sprintf(extra, "%s0x%02x\t", extra, shift + i);
9582+
extra_len += sprintf(extra + extra_len, "0x%02x\t", shift + i);
95789583
for (j = 0; j < 8; j++)
9579-
sprintf(extra, "%s%02X ", extra, efuse[i + j]);
9580-
sprintf(extra, "%s\t", extra);
9584+
extra_len += sprintf(extra + extra_len, "%02X ", efuse[i + j]);
9585+
extra_len += sprintf(extra + extra_len, "\t");
95819586
for (; j < 16; j++)
9582-
sprintf(extra, "%s%02X ", extra, efuse[i + j]);
9583-
sprintf(extra, "%s\n", extra);
9587+
extra_len += sprintf(extra + extra_len, "%02X ", efuse[i + j]);
9588+
extra_len += sprintf(extra + extra_len, "\n");
95849589
}
95859590
if ((shift + cnt) < mapLen)
9586-
sprintf(extra, "%s\t...more\n", extra);
9591+
extra_len += sprintf(extra + extra_len, "\t...more\n");
95879592

95889593
} else if (strcmp(tmp[0], "wlrfkrmap") == 0) {
95899594
if ((tmp[1] == NULL) || (tmp[2] == NULL)) {
@@ -9605,9 +9610,10 @@ static int rtw_mp_efuse_get(struct net_device *dev,
96059610

96069611
/* RTW_INFO("%s: data={", __FUNCTION__); */
96079612
*extra = 0;
9613+
extra_len = 0;
96089614
for (i = 0; i < cnts; i++) {
96099615
RTW_INFO("wlrfkrmap = 0x%02x\n", pEfuseHal->fakeEfuseModifiedMap[addr + i]);
9610-
sprintf(extra, "%s0x%02X ", extra, pEfuseHal->fakeEfuseModifiedMap[addr + i]);
9616+
extra_len += sprintf(extra + extra_len, "0x%02X ", pEfuseHal->fakeEfuseModifiedMap[addr + i]);
96119617
}
96129618
} else if (strcmp(tmp[0], "btrfkrmap") == 0) {
96139619
if ((tmp[1] == NULL) || (tmp[2] == NULL)) {
@@ -9629,9 +9635,10 @@ static int rtw_mp_efuse_get(struct net_device *dev,
96299635

96309636
/* RTW_INFO("%s: data={", __FUNCTION__); */
96319637
*extra = 0;
9638+
extra_len = 0;
96329639
for (i = 0; i < cnts; i++) {
96339640
RTW_INFO("wlrfkrmap = 0x%02x\n", pEfuseHal->fakeBTEfuseModifiedMap[addr + i]);
9634-
sprintf(extra, "%s0x%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[addr + i]);
9641+
extra_len += sprintf(extra + extra_len, "0x%02X ", pEfuseHal->fakeBTEfuseModifiedMap[addr + i]);
96359642
}
96369643
} else if (strcmp(tmp[0], "mask") == 0) {
96379644
*extra = 0;
@@ -9641,9 +9648,9 @@ static int rtw_mp_efuse_get(struct net_device *dev,
96419648
if (padapter->registrypriv.bFileMaskEfuse == _TRUE)
96429649
_rtw_memcpy(mask_buf, maskfileBuffer, mask_len);
96439650

9644-
sprintf(extra, "\n");
9651+
extra_len = sprintf(extra, "\n");
96459652
for (i = 0; i < mask_len; i++)
9646-
sprintf(extra, "%s0x%02X\n", extra, mask_buf[i]);
9653+
extra_len += sprintf(extra + extra_len, "0x%02X\n", mask_buf[i]);
96479654

96489655
} else
96499656
sprintf(extra, "Command not found!");

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