From: Daniel Kim Date: Tue, 27 May 2014 10:56:26 +0000 (+0200) Subject: brcmfmac: Increase max buffer size for receiving control message from dongle X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7dd3abc14f94bc1226aaa5075c73928d6b1d544c;p=openwrt%2Fstaging%2Fblogic.git brcmfmac: Increase max buffer size for receiving control message from dongle The max buffer size for receiving control message from dongle needs to be increased considering possible block padding. Otherwise some big control message can't be received due to buffer overrun check. Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Daniel Kim Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 506ef0d4a52b..8fa0dbbbda72 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -4086,8 +4086,13 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) goto fail; } + /* Query the F2 block size, set roundup accordingly */ + bus->blocksize = bus->sdiodev->func[2]->cur_blksize; + bus->roundup = min(max_roundup, bus->blocksize); + /* Allocate buffers */ if (bus->sdiodev->bus_if->maxctl) { + bus->sdiodev->bus_if->maxctl += bus->roundup; bus->rxblen = roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN), ALIGNMENT) + bus->head_align; @@ -4115,10 +4120,6 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) bus->idletime = BRCMF_IDLE_INTERVAL; bus->idleclock = BRCMF_IDLE_ACTIVE; - /* Query the F2 block size, set roundup accordingly */ - bus->blocksize = bus->sdiodev->func[2]->cur_blksize; - bus->roundup = min(max_roundup, bus->blocksize); - /* SR state */ bus->sleeping = false; bus->sr_enabled = false;