summaryrefslogtreecommitdiff
path: root/fs/cifs/cifs_debug.c
diff options
context:
space:
mode:
authorNiklas Cassel <niklas.cassel@axis.com>2015-01-22 16:16:34 +0300
committerSteve French <steve.french@primarydata.com>2015-01-27 04:38:26 +0300
commit7a1ceba071709d11271ebd921310b5a18404dd33 (patch)
tree15af02690777a0333af178c4e1df7510ec1f0c0f /fs/cifs/cifs_debug.c
parentca7df8e0bb2a5ec79691de8a1a4c0e611fe04e60 (diff)
downloadlinux-7a1ceba071709d11271ebd921310b5a18404dd33.tar.xz
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 <niklass@axis.com> Signed-off-by: Steve French <steve.french@primarydata.com>
Diffstat (limited to 'fs/cifs/cifs_debug.c')
-rw-r--r--fs/cifs/cifs_debug.c6
1 files changed, 4 insertions, 2 deletions
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;