Am 28.01.2014 15:00, schrieb Dan Carpenter: > These macros need parentheses, otherwise it causes a macro expansion bug > when they are used like this: > > ch->flags &= ~IEEE80211_CHAN_NO_IBSS; > > This was found using Smatch: > drivers/staging/rtl8821ae/regd.c:200 _rtl_reg_apply_beaconing_flags() > warn: the 'IEEE80211_CHAN_NO_IBSS' macro might need parens > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > diff --git a/drivers/staging/rtl8821ae/regd.h b/drivers/staging/rtl8821ae/regd.h > index abc60ab8165c..dceb3f18200b 100644 > --- a/drivers/staging/rtl8821ae/regd.h > +++ b/drivers/staging/rtl8821ae/regd.h > @@ -30,8 +30,8 @@ > #ifndef __RTL_REGD_H__ > #define __RTL_REGD_H__ > > -#define IEEE80211_CHAN_NO_IBSS 1<<2 > -#define IEEE80211_CHAN_PASSIVE_SCAN 1<<1 > +#define IEEE80211_CHAN_NO_IBSS (1 << 2) > +#define IEEE80211_CHAN_PASSIVE_SCAN (1 << 1) > #define WIPHY_FLAG_CUSTOM_REGULATORY BIT(0) > #define WIPHY_FLAG_STRICT_REGULATORY BIT(1) > #define WIPHY_FLAG_DISABLE_BEACON_HINTS BIT(2) > -- just one minor hint ... could we settle for a common semantic here either 1<<2 or BIT(2) ? just my 2 cents, re, wh _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel