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authorShu Wang <shuwang@redhat.com>2017-09-07 16:03:27 +0800
committerSteve French <smfrench@gmail.com>2017-09-20 18:46:16 -0500
commit94183331e815617246b1baa97e0916f358c794bb (patch)
treea5c7e013aaac7c2dd4e0e567e91a8f99826447fc /fs
parent4d61eda812041ef9c820d7f147884133fd3307bc (diff)
cifs: release cifs root_cred after exit_cifs
memory leak was found by kmemleak. exit_cifs_spnego should be called before cifs module removed, or cifs root_cred will not be released. kmemleak report: unreferenced object 0xffff880070a3ce40 (size 192): backtrace: kmemleak_alloc+0x4a/0xa0 kmem_cache_alloc+0xc7/0x1d0 prepare_kernel_cred+0x20/0x120 init_cifs_spnego+0x2d/0x170 [cifs] 0xffffffffc07801f3 do_one_initcall+0x51/0x1b0 do_init_module+0x60/0x1fd load_module+0x161e/0x1b60 SYSC_finit_module+0xa9/0x100 SyS_finit_module+0xe/0x10 Signed-off-by: Shu Wang <shuwang@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> CC: Stable <stable@vger.kernel.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index a864e6575309..8c8b75d33f31 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1449,7 +1449,7 @@ exit_cifs(void)
exit_cifs_idmap();
#endif
#ifdef CONFIG_CIFS_UPCALL
- unregister_key_type(&cifs_spnego_key_type);
+ exit_cifs_spnego();
#endif
cifs_destroy_request_bufs();
cifs_destroy_mids();