brcmfmac: remove 'always false' condition from brcmf_c_mkiovar_bsscfg

The parameter buflen is unsigned so the condition buflen < 0 is
always false. The patch fixes the if statement checking the buffer
length.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
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>
This commit is contained in:
Arend van Spriel 2012-10-10 11:13:11 -07:00 committed by John W. Linville
parent 3cb91f5335
commit c5b057b55f

View File

@ -106,7 +106,7 @@ brcmf_c_mkiovar_bsscfg(char *name, char *data, uint datalen,
namelen = (u32) strlen(name) + 1; /* lengh of iovar name + null */
iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen;
if (buflen < 0 || iolen > (u32)buflen) {
if ((u32)buflen < iolen) {
brcmf_dbg(ERROR, "buffer is too short\n");
return 0;
}