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Date: Tue, 26 Feb 2019 06:39:28 +0000 From: <Ajay.Kathat@...rochip.com> To: <tsu.yubo@...il.com>, <Adham.Abozaeid@...rochip.com>, <gregkh@...uxfoundation.org> CC: <devel@...verdev.osuosl.org>, <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <yuzibode@....com> Subject: Re: [PATCH] staging: wilc1000: Fix incorrent type in assignment On 2/26/2019 8:58 AM, Bo YU wrote: > The patch fixes following sparse warning: > > drivers/staging/wilc1000/host_interface.c:450:30: warning: incorrect type in assignment (different base types) > drivers/staging/wilc1000/host_interface.c:450:30: expected restricted __le16 [usertype] beacon_period > drivers/staging/wilc1000/host_interface.c:450:30: got unsigned short [usertype] beacon_interval > drivers/staging/wilc1000/host_interface.c:451:25: warning: incorrect type in assignment (different base types) > drivers/staging/wilc1000/host_interface.c:451:25: expected restricted __le16 [usertype] cap_info > drivers/staging/wilc1000/host_interface.c:451:25: got unsigned short [usertype] capability > > Signed-off-by: Bo YU <tsu.yubo@...il.com> > --- > I have no hardware to test it and just to compile it Thanks for submitting the patch. The correct way to fix above spare warning is by using cpu_to_le16() while filing the information in ->beacon_period and ->cap_info because wilc1000 module expects the data in _le_ byte order. Please changes the below lines in host_interface.c and resubmit the patch. param->beacon_period = bss->beacon_interval; param->cap_info = bss->capability; to param->beacon_period = cpu_to_le16(bss->beacon_interval); param->cap_info = cpu_to_le16(bss->capability); > --- > drivers/staging/wilc1000/host_interface.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c > index 50dc2dd942f5..cdcb52aec779 100644 > --- a/drivers/staging/wilc1000/host_interface.c > +++ b/drivers/staging/wilc1000/host_interface.c > @@ -106,10 +106,10 @@ struct wilc_join_bss_param { > u8 ssid_terminator; > u8 bss_type; > u8 ch; > - __le16 cap_info; > + u16 cap_info; > u8 sa[ETH_ALEN]; > u8 bssid[ETH_ALEN]; > - __le16 beacon_period; > + u16 beacon_period; > u8 dtim_period; > u8 supp_rates[WILC_MAX_RATES_SUPPORTED + 1]; > u8 wmm_cap; > Regards, Ajay
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