brcmfmac: fix NULL pointer access in brcmf_create_iovar()
authorArend van Spriel <arend@broadcom.com>
Tue, 6 Nov 2012 00:22:21 +0000 (16:22 -0800)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 14 Nov 2012 19:55:53 +0000 (14:55 -0500)
The function brcmf_fil_bsscfg_data_get() calls brcmf_create_iovar()
with data pointer set to NULL, which caused a NULL pointer access.
As it should be possible to provide data in message towards the
firmware, it should just pass the data buffer instead.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/brcm80211/brcmfmac/fwil.c

index 4b272c3d237c9d07119a37b5eccd56740d7d0e8e..f121d412495a3965e42ec91769046130a9071970 100644 (file)
@@ -294,7 +294,7 @@ brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name,
 
        mutex_lock(&drvr->proto_block);
 
-       buflen = brcmf_create_bsscfg(ifp->bssidx, name, NULL, len,
+       buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len,
                                     drvr->proto_buf, sizeof(drvr->proto_buf));
        if (buflen) {
                err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf,