From: Piotr Haber Date: Fri, 5 Apr 2013 08:57:43 +0000 (+0200) Subject: brcmfmac: firmware shared data version fix X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=86dcd937c1f0023a2337f7c14e237f718d00e300;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git brcmfmac: firmware shared data version fix Firware shared data structure is backward compatible for fields we are interested in. Allow reading of shared data in case of version mismatch. Reviewed-by: Hante Meuleman Reviewed-by: Arend van Spriel Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Piotr Haber 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 ac9f650772fc..5d5c02cea3e0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -2721,8 +2721,8 @@ static int brcmf_sdio_readshared(struct brcmf_sdio *bus, sh->console_addr = le32_to_cpu(sh_le.console_addr); sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr); - if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) { - brcmf_err("sdpcm_shared version mismatch: dhd %d dongle %d\n", + if ((sh->flags & SDPCM_SHARED_VERSION_MASK) > SDPCM_SHARED_VERSION) { + brcmf_err("sdpcm shared version unsupported: dhd %d dongle %d\n", SDPCM_SHARED_VERSION, sh->flags & SDPCM_SHARED_VERSION_MASK); return -EPROTO;