[PATCH] cifs: connect: added option krb5mi which may allow package signing

["Lorenz Bucher" <Lorenz.Bucher@xxxxxx>]

Solves an issue with dfs where servers using package signing are
mixed with servers which don't use package signing.

Signed-off-by: Lorenz Bucher <lorenz.bucher@xxxxxx>
---
 fs/cifs/connect.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 56c152d..9d06dd8 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1104,6 +1104,9 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
                        if (!value || !*value) {
                                cERROR(1, "no security value specified");
                                continue;
+                       } else if (strnicmp(value, "krb5mi", 6) == 0) {
+                               vol->secFlg |= CIFSSEC_MAY_KRB5 | 
+                                       CIFSSEC_MAY_SIGN;
                        } else if (strnicmp(value, "krb5i", 5) == 0) {
                                vol->secFlg |= CIFSSEC_MAY_KRB5 |
                                        CIFSSEC_MUST_SIGN;
-- 
1.7.9.5
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