From: Henry Ptasinski <[email protected]> The structure of the function made it difficult to understand, so reorganize it to make it clearer.
Reported-by: Greg Dietsche <[email protected]> Signed-off-by: Henry Ptasinski <[email protected]> Reviewed-by: Roland Vossen <[email protected]> Reviewed-by: Arend van Spriel <[email protected]> --- drivers/staging/brcm80211/brcmsmac/bmac.c | 35 ++++++++++++++++------------ 1 files changed, 20 insertions(+), 15 deletions(-) diff --git a/drivers/staging/brcm80211/brcmsmac/bmac.c b/drivers/staging/brcm80211/brcmsmac/bmac.c index f44f581..4a220d4 100644 --- a/drivers/staging/brcm80211/brcmsmac/bmac.c +++ b/drivers/staging/brcm80211/brcmsmac/bmac.c @@ -1905,28 +1905,33 @@ static bool brcms_c_isgoodchip(struct brcms_c_hw_info *wlc_hw) return true; } +/* Validate some board info parameters */ static bool brcms_c_validboardtype(struct brcms_c_hw_info *wlc_hw) { - bool goodboard = true; uint boardrev = wlc_hw->boardrev; + /* 4 bits each for board type, major, minor, and tiny version */ + uint brt = (boardrev & 0xf000) >> 12; + uint b0 = (boardrev & 0xf00) >> 8; + uint b1 = (boardrev & 0xf0) >> 4; + uint b2 = boardrev & 0xf; + + /* voards from other vendors are always considered valid */ + if (wlc_hw->sih->boardvendor != PCI_VENDOR_ID_BROADCOM) + return true; + + /* do some boardrev sanity checks when boardvendor is Broadcom */ if (boardrev == 0) - goodboard = false; - else if (boardrev > 0xff) { - uint brt = (boardrev & 0xf000) >> 12; - uint b0 = (boardrev & 0xf00) >> 8; - uint b1 = (boardrev & 0xf0) >> 4; - uint b2 = boardrev & 0xf; + return false; - if ((brt > 2) || (brt == 0) || (b0 > 9) || (b0 == 0) || (b1 > 9) - || (b2 > 9)) - goodboard = false; - } + if (boardrev <= 0xff) + return true; - if (wlc_hw->sih->boardvendor != PCI_VENDOR_ID_BROADCOM) - return goodboard; + if ((brt > 2) || (brt == 0) || (b0 > 9) || (b0 == 0) || (b1 > 9) + || (b2 > 9)) + return false; - return goodboard; + return true; } static char *brcms_c_get_macaddr(struct brcms_c_hw_info *wlc_hw) -- 1.7.1 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
