[ 089/122] nfsd4: fix cr_principal comparison check in same_creds

[Greg Kroah-Hartman]

From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>

3.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vivek Trivedi <vtrivedi018@xxxxxxxxx>

commit 5559b50acdcdcad7e362882d3261bf934c9436f6 upstream.

This fixes a wrong check for same cr_principal in same_creds

Introduced by 8fbba96e5b327665265ad02b7f331b68536828bf "nfsd4: stricter
cred comparison for setclientid/exchange_id".

Signed-off-by: Vivek Trivedi <vtrivedi018@xxxxxxxxx>
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/nfsd/nfs4state.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1215,7 +1215,7 @@ static bool groups_equal(struct group_in
 	return true;
 }
 
-static int
+static bool
 same_creds(struct svc_cred *cr1, struct svc_cred *cr2)
 {
 	if ((cr1->cr_flavor != cr2->cr_flavor)
@@ -1227,7 +1227,7 @@ same_creds(struct svc_cred *cr1, struct
 		return true;
 	if (!cr1->cr_principal || !cr2->cr_principal)
 		return false;
-	return 0 == strcmp(cr1->cr_principal, cr1->cr_principal);
+	return 0 == strcmp(cr1->cr_principal, cr2->cr_principal);
 }
 
 static void gen_clid(struct nfs4_client *clp)


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