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SubjectRe: [PATCH v2 4/5] staging: rtl8192e: rectified spelling mistake and replace memcmp with ether_oui_equal
On Thu, Apr 15, 2021 at 07:12:47PM +0530, Mitali Borkar wrote:
> On Wed, Apr 14, 2021 at 10:16:59AM +0200, Greg KH wrote:
> > On Wed, Apr 14, 2021 at 12:26:01PM +0530, Mitali Borkar wrote:
> > > Added a generic function of static inline bool in
> > > include/linux/etherdevice.h to replace memcmp with
> > > ether_oui_equal throughout the execution.
> > > Corrected the misspelled words in this file.
> > >
> > > Signed-off-by: Mitali Borkar <mitaliborkar810@gmail.com>
> > > ---
> > >
> > > Changes from v1:- Rectified spelling mistake and replaced memcmp with
> > > ether_oui_equal.
> > >
> > > drivers/staging/rtl8192e/rtl819x_HTProc.c | 48 +++++++++++------------
> > > include/linux/etherdevice.h | 5 +++
> > > 2 files changed, 29 insertions(+), 24 deletions(-)
> > >
> > > diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
> > > index ec6b46166e84..ce58feb2af9a 100644
> > > --- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
> > > +++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
> > > @@ -43,7 +43,7 @@ u16 MCS_DATA_RATE[2][2][77] = {
> > > 810, 720, 810, 900, 900, 990} }
> > > };
> > >
> > > -static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
> > > +static u8 UNKNOWN_BROADCOM[3] = {0x00, 0x14, 0xbf};
> > >
> > > static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
> > >
> > > @@ -146,16 +146,16 @@ bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
> > > bool retValue = false;
> > > struct rtllib_network *net = &ieee->current_network;
> > >
> > > - if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
> > > + if ((ether_oui_equal(net->bssid, BELKINF5D8233V1_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, BELKINF5D82334V3_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, PCI_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, EDIMAX_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, AIRLINK_RALINK) == 0) ||
> > > (net->ralink_cap_exist))
> > > retValue = true;
> > > - else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
> > > - !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
> > > - !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
> > > + else if (ether_oui_equal(net->bssid, UNKNOWN_BROADCOM) ||
> > > + ether_oui_equal(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM) ||
> > > + ether_oui_equal(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM) ||
> > > (net->broadcom_cap_exist))
> > > retValue = true;
> > > else if (net->bssht.bd_rt2rt_aggregation)
> > > @@ -179,26 +179,26 @@ static void HTIOTPeerDetermine(struct rtllib_device *ieee)
> > > pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
> > > } else if (net->broadcom_cap_exist) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
> > > - } else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
> > > - !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
> > > - !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) {
> > > + } else if (ether_oui_equal(net->bssid, UNKNOWN_BROADCOM) ||
> > > + ether_oui_equal(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM) ||
> > > + ether_oui_equal(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM)) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
> > > - } else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
> > > - (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
> > > - net->ralink_cap_exist) {
> > > + } else if ((ether_oui_equal(net->bssid, BELKINF5D8233V1_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, BELKINF5D82334V3_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, PCI_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, EDIMAX_RALINK) == 0) ||
> > > + (ether_oui_equal(net->bssid, AIRLINK_RALINK) == 0) ||
> > > + net->ralink_cap_exist) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
> > > } else if ((net->atheros_cap_exist) ||
> > > - (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
> > > - (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) {
> > > + (ether_oui_equal(net->bssid, DLINK_ATHEROS_1) == 0) ||
> > > + (ether_oui_equal(net->bssid, DLINK_ATHEROS_2) == 0)) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
> > > - } else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
> > > - net->cisco_cap_exist) {
> > > + } else if ((ether_oui_equal(net->bssid, CISCO_BROADCOM) == 0) ||
> > > + net->cisco_cap_exist) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
> > > - } else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
> > > - net->marvell_cap_exist) {
> > > + } else if ((ether_oui_equal(net->bssid, LINKSYS_MARVELL_4400N) == 0) ||
> > > + net->marvell_cap_exist) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
> > > } else if (net->airgo_cap_exist) {
> > > pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
> > > diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
> > > index 2e5debc0373c..6a1a63168319 100644
> > > --- a/include/linux/etherdevice.h
> > > +++ b/include/linux/etherdevice.h
> > > @@ -87,6 +87,11 @@ static inline bool is_link_local_ether_addr(const u8 *addr)
> > > #endif
> > > }
> > >
> > > +static inline bool ether_oui_equal(const u8 *addr, const u8 *oui)
> > > +{
> > > +return addr[0] == oui[0] && addr[1] == oui[1] && addr[2] == oui[2];
> > > +}
> >
> > Staging drivers are stand-alone, we can not add code outside of the
> > driver directory in these patches, sorry.
> >
> Okay Sir. When I tried to add static inline bool line in current file, it
> showed errors which I was not able to rectify,

What errors was shown?

What did you do to try to fix it?

There should not be any need to add this to a kernel-wide header file
for a tiny staging driver.

thanks,

greg k-h

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