From: Niklas Cassel Date: Thu, 22 Jan 2015 13:16:34 +0000 (+0100) Subject: cifs: fix MUST SecurityFlags filtering X-Git-Tag: v3.19~18^2 X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=7a1ceba071709d11271ebd921310b5a18404dd33;p=karo-tx-linux.git cifs: fix MUST SecurityFlags filtering If CONFIG_CIFS_WEAK_PW_HASH is not set, CIFSSEC_MUST_LANMAN and CIFSSEC_MUST_PLNTXT is defined as 0. When setting new SecurityFlags without any MUST flags, your flags would be overwritten with CIFSSEC_MUST_LANMAN (0). Signed-off-by: Niklas Cassel Signed-off-by: Steve French --- diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 9c56ef776407..7febcf2475c5 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -606,9 +606,11 @@ cifs_security_flags_handle_must_flags(unsigned int *flags) *flags = CIFSSEC_MUST_NTLMV2; else if ((*flags & CIFSSEC_MUST_NTLM) == CIFSSEC_MUST_NTLM) *flags = CIFSSEC_MUST_NTLM; - else if ((*flags & CIFSSEC_MUST_LANMAN) == CIFSSEC_MUST_LANMAN) + else if (CIFSSEC_MUST_LANMAN && + (*flags & CIFSSEC_MUST_LANMAN) == CIFSSEC_MUST_LANMAN) *flags = CIFSSEC_MUST_LANMAN; - else if ((*flags & CIFSSEC_MUST_PLNTXT) == CIFSSEC_MUST_PLNTXT) + else if (CIFSSEC_MUST_PLNTXT && + (*flags & CIFSSEC_MUST_PLNTXT) == CIFSSEC_MUST_PLNTXT) *flags = CIFSSEC_MUST_PLNTXT; *flags |= signflags;